Field Notebook: 1976a

Hickey, Leo

1976

Yale Peabody Museum of Natural History

Original Source

Source Material:
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paleobotany stratigraphy palynology

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204 Pages

1976 GEOLOGY UNITED STATES DEPARTMENT OF THE INTERIOR DI-6 APPROVED DECEMBER 1981 HECME 76502983 (7) 7782 LEO Y. HOCKAY DIV PALEONTOLOGY A-342 AM SMITHSONIAN INST. WASHINGTON,

Summer Collecting M. Bartosiewicz Michael Bartosiewicz Arnold Powell.

766 Northeast, MD Area May 4, 1975 Base of Bull Mt at Camp [illegible] on shore. dark grey clays at beach 1+00' Capped at 4 to 3' by wh it. grey silt & SS. stone from stone crusts. 620 feet N of STAIRS to Beach

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SECTION PLOTTED 5/24/72 766 Section at Camp Rodney m in m 0.915m 0 abt 3' below mean H.T. level Dark grey unctious (-1.08m) [illegible]massive clay Samp 766 b 6" w/ stringers silt x vfg mic, ss. [0] 1.23m 4' base of wave cut cliff is mean high Tide level will be taken as 0' clay becoming silty & lighter grey made resistant forming facet of cliff. 1.98 m [+.75 m] 6.5 becomes med grey vfg clayey ss. 2.29 - 2.44 [1.06 - 1.21 m] 7.5-8 sample 766 c from vfg, ss 2.6 [1.37 m] 9.5 unctious med grey clay alternating with siltyl layers x thin l-3" 370.5cm stringers of vfg to sg. s and sand. 766 d - 12" sample med grey sl, reddish

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base of 6' layer of silty clay grading into silt at 14' med grey with iron yelst. 4.5/m WITH CLAY iron stone conc. Mgr 14.8 base of lavender reddish silty oily bearing leaves. The sample 766 e = 766 a leaf layer w/ at 14.9 pinthroids w cuticl- 4.79/m Some 1/2 wood frgs. 15.70 Lavender silt clay grades upward into med grey sr ss. w. sharp upper contact deformed by compaction-- 5.12 m [3,189 m] 16.8 Top of SS how units reddish grey silty clay pinkish l w/ lignitized sample 766 f at 17.7 5.4 Clay w/ silty parting

16,5 5,5 --- 22,0

5.08m [3.85m] 9615, lavender grey SILTY CLAY WITH slipp PARING & lenses of vf g ferruginous yel l 22= 4.5m act cl. st ss. 4.5 not 1 FT. .3m - 1615 - 3.8 m act cl * 6.43 [5.12m] -> 21.1' 766g IN CLAY bed. 6" Thick [5.23m]dark grey VNE T. 6.55 SI. SILTY. 21.5 (CLAY IRON STONE CONE. [5.24m]) Ayr. 3"-6" thick Thick 6.86 rounded cones. 22.5 ferruginous ss [5.73m] CLAYey SS bed. 6.96 22.10 CLAY SILTY VNEt ghtThk med grey mic 6.96m 22.10 766 h Sample of Clay clay bed abt. 11" Thick grads upward INT

22, 5,5 ----- 27,0

Ferrug, ss. bel lower contact mottled with clay upper one [illegible] sharp sand. 1 foot thick. pinching out to 0 7.45 [6.22m] in 2" laterally. 7.48 TT med grey silt clay 24.4 24.6' Sample 766 i from 1yg. light med grey clayey silt with iron staining becomes sharper to 258 light grey & brownish monozite yell mottled ss silt 7.8cm [6.63?] 29 25.8 SITTST becomes light grey & limeon yellow mottled. grades upward into vfg ss. 8.139 [7.16m] 27.5 ss. grades int reddis mottled silt. <, 63 [7.4m] 28.3 cont w a vfg lt grey ss

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WITH AN ARENITE BASAL CONT MARKED BY RED LIMONITE IN PREY SAND. 8.85m [7162 m] dbove 29 Sand is limonite brown yellow reddish brown color fy sand. 9.3m [8,07 m] 30.5. top of section N FAULT ?? white SS. WHITE POINT MUDS grey SITS some grey jims etc. WHITE TO LIGHT GREY yellow mottled X bedded SSX SS+1 some SITIF at white point 82 C6v. SECTION 766 D V GREY fault.

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766. Jim has PX N Ruddy 5SE of separation TCC x bedded white grey IT. 820' Fe. Str.

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87 feet South of 366 Covered Iron -> 55 40/12 Iron straining. 3 ft. Possibility that light truck may be found faulted based on grit fine grain.

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767 Rocky Point Bluff IN ELK STATE PARK. Basically a white sandy white points sequence with the Reddish Red Points PATAPSCO 11th. in intervening age 769? Slumps White blocks on Red Grey Reddish CLAYS D

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W, G Upch J, Mcclammer. M. Bw Tiga = 10c 7016 10c. Stump Neck Locs. 789 31/2 x yellow clay Fe str med ss Fest X beds 1ft cont between plant bearing clay x SS is disturbed Angios in basal y" 5ft inward clay carb carb silt/clay Any Feow qs 3 cone 769 6

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Pelates w frins SS silty shale

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769 c Channel 490' ft. S of 769a Menispermites Supindopsis west Bros. or Ned Pt Zyp. 150 H50 443 450 Truth A bedded mcl SS. Clay gallsr Mlthra masses. 25' 79 X C. 2' south of 5q 769a Supindopsis A fallingsi Menispermites Clay BELL 490', S of 769a

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769 STUMP NECK SITES slide DOWN STA. 50' wATER. 368+130V old quarry site plows bearin red silty hemmed clays

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5/7/76 7610 Northwest Branch loc. W J Doyle G Upchurch 7510 PATUXENT MICAceous W. lignitized logs x brc. furthest west 91' - STUMP & lower trunk 2'12"dm 93° 95° 76° 100° 3' above last one 88° 76° 3' below last one 92° 95° 91° 86° 100° 88° 6' across flaring base 103° 108° 89° OUTCROP 35 pcs long W TO E

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5/7/76 7611 Paint Branch Loc. Jim Doyle Garry Upchurch 7611 A - 0.5 m above Skog Fern Bed. Jim Polken sample 7611 B 3m above Skog Fern Beds sample J. Doyle Pollen sample

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5/7/96 7612 LANHAM STATION of PENN CENTRAL High hill Capped w 50 feet of yell wh xbedded friable SS. w. iron cemented ledges of SS some SILTS w. wh reddish mottling. below this floor of old PIT IS mainly deep red & lavender redd mottled light yell grey CLAY. looks like west Bros WITHOUT any grey beds. Hill directly on STRIKE w. WEST Bros. PIT & roughly same elev. From DARTON map WB LANHAM Bp of Hill 150 165 Base of Pit. 100 130-120 so Same elev. in KP.

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Upper Bockdale Stop T 7R13 Wilcox Clay pit of Marshall Clay Co. Sterculiaceae ? Alangiaceae ? Toothed leaf teeth actini Actinidae Fischer & Mc Dowm Dun Eon Sed. '69-72 DARK GREY

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7614 LAKE O THE PINES SUPPOSED CRAVASSE SPLAY thw Thin BEDDED SHALE STST SS + CMB LEAF LAYn TOP of WILCOX Calvert Bluff mbr. LATE EARLY Eoc. FORTIER V of TEXAS masters Thesi FINE RIBBED SS + STST. SS in Dip. PR

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7414. 1.7 GATE milages,

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7615 Oak Creek. Sec 24., T5SN, R1W, Crook Co LAkota fm Probably abt 15' below top of unit 6 of Jenny in Ward 1905 Sap. beluedirensis Bottle Brush & Capitu/var Pityostrobier Ferns. gymnos., Frenelopsis? Sphenoa. TAX. CONE. Fossil PI. collections. Near site of Jennys loc. 2. Supposedly Upper lakota in zone II-13 middle from Florida

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7616 OAK CREEK NW SIDE NW NW 24 T 55N R 61W CROOK CO WYO Pollen sample. Sth Sandy Shale seq w/2hwy coals below a massive ss cliff abt 30' just one of 3 prom. ss. incl. 10' red St. S85.

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7617 SE SE corner Sec 36 T SSN R. 61 W. 6/22/76 grey SILTY shs w fish Scales exposed in road bed. This is road fill? Below This on hill shs of lower LAKOTA F.

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BigHorn BASIN Area 6/25/76 mapping of facies in B.2. Sr. (D) - Paludal (L) - Lacustrine (F) - Fluvial Congl. - Congl Fan. Sec. 16 below camp Paludal in B Creek area following Coals. 7618 NE 1/4 Sec 11, T8S R 21E. Channel SS. Trans, to Lacust, ? Siderite cones. 7619 SE Sec 14, T8S R 21E [crossed out] A. 22E Drilling Area Coal prospect Paludal area Coals lrrry Carb s/ts/sy shr. some Channels ss. 7620 Seg of Clay Ironstone below x bedded SS forming top of Hill SS channels still Lenticular. [S.W. Sec 17 T8S R 22W.] SE Sec 14, NE Sec 23 T 8S R 21E

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Center T8S R22E SN'14 sec 13 T8S R22E. 7621 Channel ss. lenticular med gr. to fg. non-mic. Base Unit perhaps 25'-30' Thick. upper 10'-15' trough x-bedded. yellow grey ss. S.Center. S. bdy sec 17 some carbon blebs 4 beds w mica flakes. 170 Basis massive Then 5' isoclinal & diapiric folded in 10' then x bedded Above is sideritic silt/clay & then 15' of x bedded ss 7622. Hill 4320 SE, SW sec 17 17 SE SE 17 T8S R22E sideritic ledges? Limonite impreg ss. STILL.

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81. 1241 Castaleja from mid slope Sec. 20 ? T 8S R 22E W sec 20 W side of Coulee Still (Pal.) Siderite Cowes. 7623 S end of Bluff of Lacustrine F, V, Fm. Parallel bedded. Cont. SS beds w/ ripple MARKS. some lignite RARE small lent. MASSIVE 0=9.6 Channel SS. RIPPLE MARKS // bedded SS blocky 7624 W 1/2 sec 28 Few Thin // bedded blocky, SS beds in Pred. Fluvo sep. 7621 Hill top / NE 1/4, SE 1/4 T 8S R 22E Limonite impreg channel SS.

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7627 Hillside exp. Badger basin. w'1/2 SE 1/4 sec 7 T57N R 101W PARK CO, WYO. Upper FU. Form. Rossi) leaf loc. 2/3 of way to top 04 Hill in lignitic shale) must come back for fossil leaves. Metasequoia foliage + cone cercidiphyllum fruits UNK I vs. Platanus (poss nobilis type) frag. Poss maple lf Averrhoites affinis Persites argutus Toothed actinodromous ot Smith mine. 1 cercidiphyllum lf. Found in shale w/ lignite seams 9 stringers appears to be a swamp facies flora 7627 - main loc 7627a - Cuticle loc 25' below main (CONT. on 2nd p.) 6/25/76 wind 50 mph

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H-must rest 7627 STRAT SECT. metr. Al Windsor of N. Petroleum Co lives in new log house in CLARK. 0 SS, yell grey (5Y 7/3), wh-10yR 6/2 fg, SA, 5' massive, wh wht, thin plates carb Calc cem well ind (3) 0.25 Covered. 2 Sh-chippy, silty, 5Y 5/2 wh 5Y 5/2 (11) 2.2 1st ledge(3) of SS, vf g, CALC cem, 10XR 8/4 wh, nto thin plates, wh' 10YR 6/4 2.55 mud ST. MASSIVE, 5Y 7/2 wh' 10 Y 7/2 Hm 10 y 5/2 mulst. some kmon-te st joints 4.4 CLAY, SILTY) 5, mudst , 5Y 5/2 gyp on joints 5.3' grading into SS, vf g. TY 7/2 w gxp on joints, rest (3)

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7627 7627a (cont) loc. but in a lignitic shale. 76 27 pollen samples. 7627 b - level of Fossil leaves in pit at base yell grey sh. w lvs. 7627 C grey sh. w leaves limonite st. joints 6" above 7627b

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sec. 7627, cont. 6 m. mudst. 5y 5/2 - 6/2 gyp. massive , some slicks. limonite joints. 6.8 m sh. fissile 5y 4/2 7 wh color slope ch 5y 7/3 7.35m SS, vfg, non mic massive soft (2) 5y 6/2 8.85ss ledge of MASSIVE (4) vfg), 5y 8/4 , wh. 8YR 5/12 (4) friable 9.6 SS, soft (2), massive f.g. mic. + 7 / 90 non-calc 5y 7/3) 10.251 S / ST. 10 x 5/12 , massive, (2). 10.8 grades to s / a x st. massive 5 y 6/2 (wh color 5 y 7/3) stiff. 11.5 becoming fissile sh. with root impressions 12 no roots 5y 7/2 to 5y 5/2 13.1 sharp contact. SS, fg sa arhosic, wedge 1/4 through x bedding. wh color 10yr 7/4) to 5yr 3/2 wh. res. (4) to calc.

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7627 (cont) 14.4 Massive, friable Nor-Calc arkosic ss (2) with occasional thin lenses of Zrough x bedded calc ind. ss. 1/Th of 13.1 lenses .25-.35 m Thick from 19.6 + wh color 5Y7/2 (1) 20.35. Clayst., silsty, 5Y6/2 w some gyp massive. (2) 21.9 SS - Wedge + tab x bedded fg, 10YR 7/3-7/4 Calc, cem. indurated (3) 22.8 SS, Friable (1), 5Y5/2 25.1 color now 5Y6/4 - 4/4 occasion lenses of ind. SS. Wh color 25.1-25.9 - 5Y7/3 25.9 Wh color. 5Y7/2 27 SS 5Y5/2 27.5 ledge of ss Thin bedded. Vfg, 5 x 7/2 Calc cem S's. wh. 10 YR 6/2 (3)

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27.9 t+ friable now calc MASSIVE ss. (1) W thin 0.15 m. ledges of Iwd SS as at 27.5 W INCREASING CLAY above 30m to cont wd MUDSTONE at 30,4 32.4 mudst. 5Y5/2 to 5Y 4/2 GypSiferous, MASSIVE (2). 30.9 Shale, chippy fissle, SG 5/1 wh 5Y7/2 (2) 31.3 (1) 32.5 CLAYST. 5Y5/1 33.4 Shale chippy 33.65 SS , friable, f.g., MASSIVE 10 YR 6/1H GypSiferous (1) 34.20 Sh., 5GY 4/1, fissle 36.7 sh 5Y 4/1 same as below. 37.3 Sh becomes sandy UPWARD grading to at 37.65 to wd 37.65 SS friable, fg, non-calc. 5YR 6/4

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3627 6/28/76 38.42 chippy siltst, clayey 5yR 6/1 (1) grading upward to a silty clayey silt 5Y5/1 40.35 poorly ind. ss. x bedded. f. g., 10x R 7/4, non calc. (1) 40.50 siltst, chippy, massive 5Y7/2 40.9 ss, ind., non, calc., base ind (2) from 40.3 friable (1) 41.75 sh, fissile, sy 5/1 4/3.2 SS, vf.g., (2) friable w some red clays, sy 7/2, non-calc sandy vfg. 45.1 ss grading to a silt x clayst. 5y3/1 45.25 sh, lignitic, papery, gypsiferous in poor pI impressions. 10yR 6/2 PT 763745, 8.5. lignitic clayey, fissile level of cuticle poc Polish 7627A 7627 a.

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7627 sect (cont) 46.1 Sh fissile, w/ roots, & jurorite 5Y 4/1 46.8 CLAY?, gypsiferous, 10 YR 5/2 47.5 Clay bec, 5Y 5/1 7X 5YR 5/1) 0.05 m. 11y w at 48.95 to 49 49.1 SS, ind, vfg, 5Y 7/2 to 5Y 6/4 xbedded, forms ledge (3) 49.6 CLAY chippy 5Y 5/1 = RT 7636 thin lignites 0.1 m w 7627 -> fossil pis at 50.35 to 50.90 dollen skp { 5Y 3/5 cont w ss 2.75m To W of line se (1) 50.7 SS, friable, f.g., gyp. w/ thin sh interbeds. 10 YR 5/2 52 do SS. 52.7 mudst chippy (1), 5Y 5/1 gradly upward to fissile sh 5Y 4/1 at 53.8 54.05 SS, vfg, (2) MASSIVE, 5Y 7/2 54.5 Clayst, silty, 5Y 5/1, gypsif. 55.3 becomes fissile sh.

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SEC. 7627 CONCL. C/28/76 56.75 511TS, Chippy, 10YR 7/4, interbadd[illegible]y of 5J75T) Sh & ledgy SS, 0.2, 0.8 m thick. 59.7 Harder SS Unit (2) Vfg massive, limonite st. 5YR 5/6 60.4 Top of FU. section Boulders of alluvial gravel or eros. surface 61.1 Top of Hill

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(census of 1807627 Metasequoia Cercidi Platanus Averrhotes Sm. Mine Act Persites al Am Blopsis (B) (continued) metasequoia persitès meta's

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7628 W side of Big Sand Coulee Fort Union Prob NW, NW Sec 22 T 57N R 101 W. Fluvial Sess of lignites, shs. Red wh ss Fossil Pls. Metasequoia above a lignite & angio leaf frags abt 2%? Pollen Sample. General lithology similar to that in Sec 7626 7629 Pollen sample from lignitic zone w Metaseqvoia & Ang. leaf frags. SE, SE, Sec 16, T 57N, R 101 W. 7630 N wall of coulee heading on Big Sand - Clark Fork divide. SE, SE, Sec 16, T 57N, R 101 W. Poor PLANTS in a hard mudstone Metaseq. Cercidiphyllum dominant 1 unidentified.

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7631 1/2 mile west of Powell Road on West Fork of Sand Coulee T 56 N R 101 W Park Co Wyo. 7632 Foster Gulch 100 ft. east of original find site Chaco type A 1 pathologic Persites. 6 5 4 3 2 1 7 9 8 10 11 12 30 31 . . . . . . 36

7633 Below A stringer SS, of Virgelle Fm. SE/ NE1/4 NW, NW, Sec 31, T 5N R'99W, PARi co, WY S END ELK BASIN. SILTY r SANDY PEDS of ABEDDED SS LEDGE IN A PREd. LIGNITE INTERVAL ABOVE VIRGELLE SS LEDGE PLATANOIDS. + NUMEROUS OTHERS DIVERSE FLORA. LARGE LEAVES. Returned 7/19 + 20, Platanoids Cercidiphyllum also Fern. Tipear "Salix" type. + others - large leaves Found in Sideritic SAND/SILT STONE below FINE SS LAYER IN SS layer mostly Metasequoia 2 Spds. some Cercidiphyllum

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7/11/76 Willwood BASAL EXP in Badlands NW Sec 15, T 56W R 101 W Park Co Wyo Willwood ss. MASSIVE TO xbedded, med to coarse, Arthoric, micaceous, red wh., low lenticular, in a 1/5ey. of clayst's sh, some red banded much slicken sides some carb bands? No IVs. 7634 Willwood Fm. Center E 1/2 se. 16 T 56W, R 101 W, Park Co, Wyo Clark 15' RT 7632 = Fossil Pl loc in silty bed above friable ss layer. PLATANUS reynoldsii Cercidiphyllum fruits 2 other leaf types Come back

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Willwood Fm 7635 Center sec 16 T 5G N R 10/ W Park Co, Wyo CLARK QUIL Carb zone abt 1/2 way to MP of high Butte. Cercidiphyllum vt Sequoia or Tax UnkN leaf Betula or Corylus MAPLE SAMARA NO Eoc. INDICATORS.

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7/2/76 BUTTE IN sec. 20 T56N R 101 W. Burru willwood BUTTE capped w x bedded ss. channels sep. by mudst. & sh. interals. lower butte mostly red banded sh & mudst. with fewer channel ss. lower. dip - abt 12° to SW. 7636 Corder W'1/2, sec. 11, T 55N, R 102 W vertebrates abt. 75 feet vp cliff dip 10R° SW. Below silt ST willwood. b 35! higher Celtis seeds in mudstone now surface blac 7/12 & 7/15/76

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7/5/76 7636c Celtis seeds on top of hill/slope on grey siltst matrix. 10 m above base of hill 4 m below vert layer 7636 Capsule w/ black stripe gathered from mudstone MATRIX 7636d mollusk abt 3m above lower Celtis bed. 1.1 m below vert layer at 7636. 7636e Bone Bed 1m above original bed at 7636 7636f Mollusik bed in mudstone ~15m above Bone bed at 7636. 7636g mollusk, Celtis w/ south layer 30m above 7636

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7/5/76 7636 TRANSECT TO POINT 5500 X on Clared Quad. sec H, T 55N R 102W. no fossil leaf impr to this point ss beds ALT W. CLAYST x mudst. mollusk shells x Celtis seeds. 7636h another MOLLUSK CELTIS layer, 170' above 7636.

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7/6/96 7637 Center w1/2 sec 25 + s6n, R 102W. willwood 11th Teeth, celtis seeds, mollusks. Below 7636 7637b MOLLUSK x CELTIS horizon in muds? 70m above 7637 AZIMUTH 313°, W 5°30' 7638 center w1/2 sec 26, t56N R 101W. PARK co. Wyo. * Vert Teeth + Bone in lower willwood 7639 SW, SW Sec 26 T56N, R101W PARK CO WYO VERT TEETH - CARB ZONES IN 5175T.

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7640 Prob NENE sec 34 T 56N R 101 W Park Co, Nyo 3/6/96 TO mine AT CAR PT. X w Sec 26 is 420 TO PT. 7634 is 331°

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76411 Well Site on Gold Creek. 600' TO Granitic frags. 600' Lignite some & 900 ft Upper Cuttings Rorphy Top Chinry 8,900 Madish 15,800

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7642 SE, sec 26, T 58N, R. 103 W. PARK CO WYD. Eagle Em 1/0 ft above Virginias IN. A SS Stringer. Clay Ironstone layer at base of A SS. Folding Fern Brachyphyllum type Sequoia Trapa 60' higher in 60' 7642rb in "D" Stringer SS. w/ Anyciosp I vs PLATANUS x OTHERS No PALMS

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PLANTS 1249 x 1250 CLAY SLOPE IN WILLWOOD NE SEC 34, T 56N R 18W WYO. 1251 Haplopappus on sandy Slope same loc. 1252 Atriplex procumbent shrub sandy surface slope. 1253 Sarcobatus on sandy slope 1254 White Umbelliferae on Sand. 1255 Spurge on SS. 1256 Atriplex} sandy slope bare 1257 Atriplex}

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7/18/76 7643 NE Sec 34 T 52N R 101 W. Park Co. Wyo. Sandy, silty, yellow grey wh seq. above first of fluted yellow cliff forming ss. + 15' above ss. 7644 Butte on divide. Center NE Sec. 34 , T 52N R 101 W Single mollusk shell above red banded interval Butte 4900 in SW, NW, Sec 34 T 52N R 101 W. Red banded seq. capped by a 20' x-bedded ss. Terrace on which Butte sits & S. to S body of 34 is a thick, 35'-40' x bedded yellow ss.

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7/8/76 7645 Spur of Willwood escarpment SE SE, Sec 33, T 56 N, R 10 W PARK Co Wyo CARBONACEOUS muds? abt 60' above the top of prominent SS forming the Willwood Terrace Large Celtis Seeds x Teeth

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8/5/76 76HJ SW SW Sec 34 T56N R10W lowest loc of Celtis seeds STRAT. in Willwood Fm RT. 7635 Barren of Pollen 76

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7646 Center N line Sec 12, T 58N, R 10W W, Park Co, Wyo on W side EIK BASIN Lignitic Sequence w Gastropods in Silty SS. CARBONAC

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ON HUNT CREEK AT MENTZELIA SITA SOMBER ESCARPMENT TO S. OF CREEK EQUIVALENT TO COFFEE & CREAM ABOVE SCORPION HOLLOW, NOT TO THE DARKEST SOMBER HEBO 7649 Bobcat pass cuticle loc. MT 76 50 8/9/76 EARLY PALEOCENE W/ LATE K CONTAMINATION R.I. 10/19/77

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7647 NW, NE, Sec 12 T 53 N R 100 W PARK CO WYO - EAST OF ELK BASIN Poor pls. in lly. Shales abt 40' above mapped FU - LANCE CONTACT MERASEY. TAX ON, SEy. PLAT. REYNOLDS II SECT. AT 7647 N 1/2 SEC 12 LANCE massive light yell to yell wh & bedded cavernous SS. & interbedd sh & mudst. FORT UNION Thw dark orange yell ss w very dark grey carb lignitic "LEBO" mbr shs & mudst. at least 400' Thick many siderite nodule horizons incl. old soil levels not LACUSTRINE comb

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7/10/76 7648 menzelia site on hunt creek Road. center sec 15, T 8S R 23 E CARBON Co. Large Phrany mphaea rac

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7649 Bobcat Pass Loc (old 72135) Bluff to S side of pass NW, NE, sec 12 T 9S R 23E Carbon Co, mont, Ginkgo leaf w/ cuticle RT. 7650 8/9/76 Approx 10' above Lance Fort Union Fan From Cuticle Coal

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7650 Basal Fort Union Fm just above ( LANCE CONTACT Center Sec. 1 T57N, R100W. 1-3' above LANCE- METASEQUOIA EUCOMMIA SEEDS + LEAVES PARANYPHAEA VIBURNUM CUPANIODES X precursors) VIBURNUM ANTIQUUM "AMPELOPSIS" FERN. CERCIDIPHYLLUM? MENISPERMITES? RHAMNUS CERBURNI? 3 leaves DIVERSE LITTLE FLORA RETURN Amoco Production Company Eber Unit No. 1 Well no. 258 Federal lease - Cheyenne 065711 SW/4 NE/4 Sec I - T57N - R100W Fossil bearing unit a thin bed light med grey SILST W. siderite impreg. SILST. base at base SILST MILACEOUS

IN SECTION 7651 S1

SECTION 7651 STARTS IN NEWE see 12, 7570 * Ammended in Notebook #2 AX A2 136° W 18° R 100W PARK CO WYS. I 2140 2430 MEAS on TAPE Av. dip at 23° STATION DIST. AZ L (0) TO (1) 53.3' 42° 16°20' START IN LANCE FM. 5.2' on tape top of SS. wh. Sy7/4 fr Sy 7/3 ledge of massive, f.g. now calc. ss. Rest. 8 SHARP CONT at 5.2 w. soft ferrug. thin bedded ss grading upward int Sy7/12 chippy silty sh w q/2 interbed 8" Rest - 2 28.1' SS. Thin x lamin., vfg., now calc Sy8/2 wh Sy7/2R5 upper, 1' becomes massive irreg wh. vfg. 33.6' SK, & SITST, chippy, rarely lignitic 10YR 5/4 44.2 SS. vfg. x laminated (TABULAR) w 1 stn pl. frags. R. 6 now calc. FR Sy7/2 wh Sy8/2 Top becomes thin bedded. 46.5 SS, friable, chippy silty, light R-2

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7651 MEASURE OUT ARE BASE (1) 53.3 (1) to (2) D Az Azi. -100 45° = 12,20 2.7 SS MASSIVE ledge-e B-E 1033 FR 5 Y8/1 Wth. 10YB6/2 first klyc. to INTERVAL consists of SS in MASSIVE ledges up to 12' Thick 5Y7/3, wh 10yB 8/1c TO 5Y7/2 w/ch pebble cong! NON CARBCALC. WHIT INTERBEDS OF sof friable bedded SS w PI frags. Some lquitic sh beds to 1' 100' (2) to (3) D Az Age -100 48° 1040Gt X @lace - top of lost SS ledge below thus is 75 A 22.4 Sly from 100' to 22.4' ledges of Sl CALC vfg to fg. 5y6/2 wh 5Y9/c SS w friable SS. 1, to 2 Slide - th Ena 10Y5/2 SS ledges to 2' Intercibded w. s/10 Y 5/2 , wA 4 CARB, Chippy, 5/1 TO sh. 5G 5/1 R 8-1

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7651 22.5 Siltst, sandy, chippy N-24 R-2 29.8 SS, ledge, f.g., R. 5- 5/8/1 now calc wh x-bedded, thin bedded SS wh 10 yr 8 1/2 to 10 yr 6 1/2 37.0 Top of TREES in Glen. Could be top LANCE-- 34.0 Shale+Lant SS,+Sld.conc. Thin ss, ledges as at 29.8 inter bedded w friable ss some Sld cones. Top of LANCE LAST ledges of ss Supporting Trees. R-3-6 61.3 Shale w/Sld. Fort UNION 7651-a-> fm Lego mbr Shale chippy N-3 w/ SB4 1/2 wh Sld. cones up to 1.5' dia.

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7651 D Az L DIST ON TAPE (3) TO (4) 88, 4' 45 33°, 50' 0 STA 3. Sh., CARBONACEOUS & Lignitic N-2 Wh. 5Y6/11 Wl gyp q' slickensides deep Wh. CRUST. Some siderite concs. B-3 TYPICAL "LEBO" SWAMP FAC. 57,3 SIDERITE CONC. ZONE 8" THICK. 66.4 SS Ledge Thin bedded ss ledge. fr. 10YH 8/2 B-5 Wh. 10YR 7/14 NON CALC Becomes Ferrug. in upper 2' below STA 4. 48.4 STA. 4. IN FERRUG. LEDGY SS STA 5 IS 3 M ABOVE STA 4 AT TOP OF FERRUG SS. DIST ON TAPE (5) TO (6) (5) D Az L 86,1 49° 21°, 40' SS VFG. CARBONACEOUS & 5Y6/11 Wh 5Y8/11 Grading upward in 10' to 5Y4/11 SILTY SH CHIPPY Some mudst interbeds 22.6 Siderite cone layer.

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23.16 top 5LQ pet, to -silty chippy sh 4 mu clayst wh N-6 + 5y 8/1 in 3foot bands. LiTh Dom 5y4/1 clayst. scattered 6 in to 2' sid concs 86.1 (6) (6) to (7) D AZ Z 0 (6) + 4" sid conc layer 100 390 -100 40' 6" thick w/ pl. frags 19.8 CARB sh 1x1" fissle sh w fossil lvs. + gyp. lvs fragmentary 5y4/1 , wh N-7 26.12 top Bet to lith of SILTY CARB seg. sh. N-3 , wh. N-6

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72 SY6/1, SY7/5 W/P1 frags wh. SY8/11 in this sequence above this point 1. This at 26 x 72 alternate in 3' beds. to STATION 7 abt 10' to 8. D. Az. 100 390 -3°40' 7 to 8 0 7 9 as below. from about abt 1/2 way between 7 & 8 5' lens of thinly x-bedded. calc, fig., SY8/11, wh. 10yR 7/4 local lens only. above 60 5' bed lignite then carb, fissle sh. some sid. comes to 8 lig. 2.3 to BASE of lign. sec 2.3 m (illegible) below 8 flat level at Az. 400 08 lign interval w. carb fissle sh

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7651 all Az200 190° DISTANCE on TAPE (8) to (9) D Az ∠ 100 221° -2°30' (8) interval of Carb sh e mudst. wh colors as lo + 72' occ sid. cones some intervals of 5Y5/2 SI siltY clayst. some limonite S7. 97 Lig. 99.5 Chippy 100 Chippy Carb, Shale to (8) (9) to (10) D Az ∠ 100 248° -5° 0 9 10.4 S.S. x bedded ldy, thin bedded, fig. calc

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Fr 5Y8/1, Wh. 10 YR 7/4 13.8 Top S.S. scy as at [23.6] some rare siderit carb s+s mudro clayst + sh interbed in sed 27.5 to 28.9 SS. ledge us AT 20.4 lenticular lith above as at 23.6 81.4 Carb. Shale 87.3 lig.

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7651 89.4 Carb. Shule. 92.7 Shale. as AT 23:6 100 (10) 10 to 11 D 100' A2° 224° - 15° O - (1) as at 23:6 wh colors some lignite abt 1/3 of the way in a 1' band. wh 10 YR 7/2

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7651 Distance on Paper (1) to (2) D Az < 100 235° -15°40' (11) As at 26.3 to (12) sid concs. wh color same 2' 11y,17,141 zone +3/7 25' (12) to (13) D Az < 100 208 -7°10' (12) As at 26.3 to 13 (13) to (14) D Az L 93.7 22y° -3°50' (13) 15. to covered. (14) 43.7 (14) (15) to (15) D Az < 91.8 237° 30° (14) covered, as before in 13-14 interval

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covered but app. typical lebo as lith gpp as at 26.3 etc. [illegible] 50.6 Chippy carb, shale - as before. at 80. Chippy Silty shale mostly covered at 84.60 Same. ~ LEBO. ~ 86.0 S.S- ledgy thin x bedded, fig. end at (15) fr. 5y8/1 wh byr [illegible] Now mic. 5 This is the first of a number of ss. ledges which appear in upper LEBO

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15 to 16 100 202° -17 30' D 15 ss as STARTED at 86 -15 29.3 top, ss. but shale etc as at 26.3. to 100. covered 16 to 17 D 100 AZ 218° L 19° 50' D 16 from soft friable sand grading up to carb, shale at 4/80 ss clayey, v fgl pym s/h, R- z

AT 33' CLAY5/ w/ SANDY S17/ wh. of slope 5Y8/1 becomes INC. CARB. UPWARD. 43.0 TO CARB SHALE, W LIGNITE STRINGERS. WH COLOR TO (9) 5Y8/1 47.0 - .0 and shale. 4 ABOVE. INTERBED SHELL & CLAYSTONE, CARB. SHALE, LIG. SHALE + THIN LIG. RARE SID. CONES. 88.7 thin ST edge. 2"w X-bedded t, to CALC, 5Y8/1 wh, NOW = MIX. 91.6 11 bedded MUDST, 10YRG/2 100 (17) TO (18) D AZ L 100 211 17° 20' O (17)

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2 Siderite & thin bedded s/d. Impreg SS. Wh To 10YR 6/6 R-4 11 top S/d. Shale claystone s/d nodules, + thick interbeds carb shale Wh 5Y7/2 R-1 becoming gummy CLAYST in upper 2' b/lw 1/8. 68.5 To 72.0 1/8. grading upward to carb fiss slt 73.90 thin SS. Letco, wh 5YR6/1, very lent CALC, very thin & lnt, 5Y8/1 f.g. | x bed 74.7 above - Claystone + w. Carb shale becoming Friable clay sandstone at 90.0 - gradng upward to chippy claystone at 94.8 to (18) 100 (18)

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18 to 19 43' 210° 28° 20' 18 No change to 25.5 R-2 chippy CLAY ST. 5Y4/1 WH COL 18 TO 19 - 5Y7/2 becoming. 25.5 Carb, shale & lg R-1 grading upward. beyond lw upper 2' to CLAY ST w some 3" siderite +A at upper 4/1.5 SS. to 19 fg, sr, carb, calc zroughTh x-bedded ss ledge R- F Color N-8 WH 5YN 6/4 19 to 20 D. A2 L 100 ft. 215° +4°30' 19

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22 55, 16y above 22 clst. carb shale - l/4 to 1" thru rare sid. nodules R-1 wh 5y 7 h to 5y 8/10 58. Fri. 58. R-2 - Sid Impreg. in part. v fg, & 5y 7/2 80 clst. MdSt. Carb Sh. some thin lignite bar. 100 20 (20) to (21) D 100 AZ 102° L 10° 20'

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97.0 SS. Ledge 1m vert height above (21) f.g.) $'x3\frac{1}{2}$ wh 10y x6/2 Restood & Tabular x-bedded rest. 8 CSt. STATION (21A) offset on Top of SS. 1m above (21A) to (22) 100 AZ $\angle$ 221$^{ ext{o}}$ 7$^{ ext{o}}$. (24) - top S.S. Sequence Fri Finerggin-S5 vh. Color $'x$ 7/2 25.5 ledge thin SS. & SD. 30.0 General lith. clay $'x$ 6/4 Some unit CSt. More Sid Cons, thin SS. Ledges(2) between- $5\frac{1}{2}$ & 6ft grading laterally to Sd. Some lignitic stringers & Carh Sh 3-6" thick

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D (20) carb, sh, clst. R-1 cont. as chip cl.st., phan. lig, carb. st. Fr color 10 YR 4/2 w g yp Wh color [illegible] 30-31 10 YR 5/2 51.0 to 56.0 thin s.s., ledge x bedded. lwt. as before 74.0 Md.st. R-2 5Y 7/3 to 80.0 sequence as above to 80.0 [illegible] after

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Wh color 5Y7/3 mudst. grade upward to clayst then sh then thin lign. seq repeates w sid cones. & thin ledgy ss. 68' clst. some carb. layers w/ [illegible] 3"<--- & carb. shale. 88.7 thin bedded ss. 93.9 interval as below at 30 100' (22)

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22 to 23 D A2 Z 160ft 192° 4°10' O 22 Same interval as 21a From 50 52. - Fri 55. R-2 57.5 73.6 thin S.S ledge Lcnt X-bedding 96.0 96.0 Some Sid Impreg layers in S.S.

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(23) TO (24) D AZ L 100 203° 26°25' O (23) UNIT as belo. K-> 62. Becomes [illegible] carb or an vh color of slope 5Y7/2 5' beds of friable ss inter bedded w/ lg carb shale lg 72 1yg. 74 1

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77.5 Fri S.S. R-3. 88.5 Fissile Sh 92.8 Fri S.S. 100. [illegible] 24 to 25 D 17 AZ. 1940 L. 24°58'

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0 25 8.- Fr'. S.S. grading upward to clst. at 8. 15.9 S.S. ledge. fg. calc, Xbedded (g.) 10 y R 8/2 wh 10yR 6/2 wh, Continued on both 2

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7652 Siderite bands above cuticle locality 7649 (old 72135) NW, NE, SEC 12 T. 9S R. 24E leaf fragment. metagraysoa possible cycad. 7653 near center N Bdy SE 1/4, NW 1/4, SW 1/4 Cuticle locality EAST of Bobcat pass cuticle loc. DJH 3/01/01 Ginkgo Conifers 7653 b- level of Conifer Cuticle from summer of 1974. 7654 - Beltfy road cut - west of Belfry center on Cody Rd Cercidiophyllum - leaves + fruit Equisetum Algae

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7654. Road Cut S. of Belly near e bdy NW1/4 Sec 27 T8S R22E Carbon Co., Wyo. back of Scour & Fill on base of SS. Some of lign. looks 10 oxidized Fr Is. Cones. John Hanley says very quiet water deposition in shs x clysts, SS. show more circulation Mollusks are degraded somewhat

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7655 Hell Creek - Lance Fm below first lignite Road cut just below hill w/ SAGE STATION about @ SE 1/4 sec 31 T 59N R 9& W Park Co, wyo. Garland Qu 7655-a LANCE Fm Carb SILTY sh. 18" bdw First lignite of the FORT UNION fm. RT 7622 Below this point typical Lance Fm Greenish cast to seds, carb shales but no lignites. ss. Fine grained, wh rusty x yel. Cretaceous pollen R.T. 7655b Fort Union drawn at base of first lignite & color change to yellow & ss rusty wh xbedded. TABULAR RT-7623 Sample 18l above prev. from probable base previous sample in prob base of F.U. coal woody & bbly coal & carb shale EARLY PALEOCENE POLLEN B.T.

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7656 Center bdy SW, NE Sec 36 T 57N R 99W PAR CO Wyo - Denver Reservoir MASSIVE 30' Thick yellow ss med grained. 41 above That Alignite 2 silty sh. bearing. poor PLANTS PLATANUS & Hamamelids. 1 sp. 7657 Center W Bdy, NW NE Sec 36 T 57N, R99 W. PARK CO, Wyo Denver Reservoir Lignite 5 ft above yellow MASSIVE SS forming base of F.V. 2911-0127(4) This is actually well above base TFJ Pollen Sample RT 7624 5' above base F.V. almost barren of Pollen 7658 Below MASSIVE yellow med grained ss, in FU? A greenish silty ligritic CLAY. TYPICAL of Heik Creek. NW, NE Sec 36 T 57N, R99W Denver Res. Q.

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7659a Scorpion Hollow - abt 30' above plantzone 6 ft above yellow x bedded ss ledge RT 7625 BARROW of PILLOW 7659b - 13' below top of [illegible] x-bedded ss, + 19' below sample 7659a 14' above base of F.U. fm. Fossil leaves Cercydiphyllum PLATANOIDS Juglandaceous leaf RT 7626 Scott car EARLY PALEOCENE HOLLOW AM 7660 1st lignite 12' above massive lodgey ss of lance w contorted bedding + Cavernous wnt hollow RT 7627 This is lignite occurring 10' below 1st ss in measured FU section S bly, SW SE Sec 1 T57M R100W PARK Co Wyo. This is equivalent to lign at H17m in sec 7651

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8/9/76 7651-a BASE of Sombre Lebo NW sec 7(,5) NW #t 61,3. RT 7628 mid Pal Pollen B.T. 7651-b TOP of BLACK SOMBRE PARK Co c, Shdy NW 1/4 NE 1/4 Sec 12 RT 7629- T539, Brown TOP of Sombre "Lebo" Where it GRADEd into The The coffee TAN LYDITE seq. Approx 200' above BASE FORT UNION: mid Paleocene Pollen B.T. 7661 a SERENDIPITY SUMMIT RT 7630 First 2ly Above Top LANCE SS. 25' below Fossil ledge mid PAL Pollen (Guess) very poor sample 7661 b Serendipity Summit RT 7631 8' above previous SAMPLE 48' below SIDERITE Impreg SS of megafossil PL LOC at SERENDIPITY SUMMIT. Barren of Pollen

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Stand Costec loc. 7634 -\nLocality RT 7632 pollen sample T sm fossil 8/5/76 c spdy 102, 7635 PT 7633 pollen sample from highest lignitic zone in willow 7662 you, RT 7634. pollen sample from carb sh highest in drab seq. 50' below. yell br wh. 30' ss layer forming cliff. above cliff is typical red banded willwood cliff RT. 10/19/77 Lypnts 7662 barren of pollen

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7664 Fort UNION abt 30' below BK #1 COAL Foster Gulch AT 7641 1ft lignite bed in shx (-) below ss ledge. pollen sam h'- Possible thin walled algal cySTS no pollen B.T. 10/19/77

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7627 = RT 7636 Barrel of Pollen Almipollenites only rec. R.T. 10/19/77 7663 a N. end of ROAD CUT 2mi S. of Belfry on Belfry CO 10 CST Side = RT 7638 MONT HWY 397 NW 1/4 NE 1/4 S 27, T 8 S, R 22 E Carbon Co., MONT. Possible thin walled algal exists W of N NEAR BASE OF Belfry LAKE Beds. 7663b ON W. MARGIN OF LAKE Beds. WITHIN 1/4 mi toward N end of Road CUT 2mi S of Belfry app 30' above 7663a w/ grey to brown organic CLAYST. bed. 2.4 thick. = RT 7639 R.T. 10/19/77 reports LATE PALEOCENE pollen

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7665 Top of Red Lodge #3 ? Coal + overlying carb, sha claysts. NW 1/4 (SW 1/4, Sec 8, T 8S R 21E, CARBON CO, MONT Upper Ft Union Fm N IN Foster Gulch. RT 7642 Also a bone coal picked up outside of the adit. 7642-C All 7642 samples barren of pollen RT. 10/19/77 7666a Top BL#1 Coal in Foster STRIP mine. SSE SE Sec 7, T 8S R 21E , CARBON CO. MONT. RT 7643 a Late Paleocene Pollen RT. 10/19/77 7666b Base of S' Coal of BL#1 IN Foster Strip Mine SW, SE Sec 7, T8S, R21E. RT. 7643 b Late Paleocene Pollen RT. 10/19/77

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SS, fig. r yellower in brown face SS at top in Eu. SS. Rollers Festoons W-S Orients. Powell x Dodge on x-bed directions

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7667 SE, SW, Sec 14, T 8S, R 20E 50m. W. of fence line in Meetree Trail, Carbon Co. Tolman Flat Quad. = RT 7644 Yellow grey SILTY CLAYST. w carb plant fragments right above ledge of eellish arkosic mic. ss. LATE PALEOCENE POLLEN RT 10/19/77 8/8/76 7668 10 feet below top of knoll. Slope 20 meter east of Meetree Trail CENTER N NW¼, NE¼ Sec. 23, T 8S R 20E, Carbon Co. Muns. Tolman Flat. SILTST w. PLANT frags & 8/8/76 lenses of floating ss gRAINS micrACEOUS = 6847 PRACTICALLY BARREN OF POLLEN 8/8/76 7669 LIGNITE 3 above ss ledge on 51 W of Meetree Trail on KNOLL C W½ SE¼, NW¼, NE¼ Sec. 23, T 8S R 20E Carbon Co muns Tolman Flat. Prac Barren of Pollen

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8/8/76 7672 = RT 7649 CLARK FORK CANYON. IN CLARK FORK CNLY. of THE Fort UNION Fm.0 AT old FOSSIL SITE G 853 C, W 1/2 Sec 36, T 57 N, R 103W PARK CO. Wyo. Deep Lake 15' Barren of Pollen

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7673 = RT 7651 C-SD 1/4, NW 1/4 Sec 7 + 9S R 24 E, Carbon Co. mont Hunters Creek Q slightly carbonaceous shale 'APP. 7' below top of SS. mapped as the top of the lance. Wh color of slope greenish yell w popcorn crust. a lateral sample was taken from a highly carbonaceous stringer '1/2' of lg. and 8d 5' R.T. 10/19/77 reports early to early middle PALEOCENE pollen. 7674 = RT 7652 Center S Bdy NE 1/4, NW 1/4, SW 1/4 Sec 7, T9S R 24 E. PROBABLE lowest lignite IN Fort Union Sequence separated from undoubted lance in gully to north by a covered interval app. 20' below cut off bearing carbonaceous zone sampled in. 7649 = RT 9650 early to early middle PALEOC. pollen R.T. 10/19/77

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7675 S bank of Coffee NE CORN OF NW1/4 SW1/4 Sec 7 T.9 S R 24E Carb C Hunters Cr. 7675a = RT 7653 Pollen Sample Probable K in LANCE AT EAST 10' below RT 7653 = 11th dark grey CLAYST. breaking into any frags. EARLIEST PALEOCONE - older than D5-77 wit 7673 or 7674 7675b Leaf horizon IN. 5/1957 leaves 3' below. Carb SILT. at 7653 or 7675a.

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Belfry Jule Beds lands close together in cut & before widely spaced in dira top HELL R.Tscheudy reports a conglomerate at base of one of BS's in Belfry CUT indicating either scour & fill or ca Diastem. Pebbles mixed, not CLAY... CLAY pebbles. in Blocks below road. 8/9/76 Congl on second look turned out to be shell hash w shells looking like pebbles

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8/8/76 7676 BUNK on W side of Mctee see TRAIL C S, NWLY sec 23, T9S R. 20E, Carbon Co., Mont. Very BADLY wh clay Between ss beds. dip - 30m up the road STRIKE app 343° dip 27° Madron only 200' WAST. Possible. Probable slump block SS, however at coherent Barren of Pollen 7671 = RT 7648 top of Gold Creek FAN Sec 11 Near C NWly SE, NE, Sec 11 T9S R20E. NARTOP of Exp & coal Cliff of Gold Cr. fan. TOLMAN FLAT. CAMB SITSST. INTB W. CONG v SS. Barren of Pollen

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= RT. 7654 7676 Lowest Carb Union Section C NE, NE, SW, Sec 6 T8S R 23 E Carbon Co. Mont. Hatcher Pass Q. In an interval of Arkosic med. Gr. SALT SAIT & Pepper SS. Chippy med. grey Fe STAINED CLAYST. PLATANUS lus (Cercidiphyllum fruits) Early to early middle Paleocene

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Collected in New Orleans 5/29/76

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