Field Notebook: SD, WY, ND 1957
Page 29
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Transcription
Rath-Wiolzud-Bzvosurus loc. 3 miles due N. Piedmont. Simmons Bzvo ledge above n reach hzs thick ostracodal shzle- most prolific seen, Upper pzrt where best exposed was sampled- section (up from point in shzle slope hollows, 5,0 Shzlc grey wozths tan + pinkish loc. sczth ostruzcads + some accumulations. W-57-18 5,0 Szura but lime ica. + some hard plzly layers. Much pink Fe Stzm W-57-19 2,0 GkClstu + ostracodal cocknut + sh interbedded. stzine tan + pink. W-57-20 Sandsbnc czprcck - bzsl mzssive SS with ostrzcods some fish scales. Zbout ±l they mzssive AB wozth, ledge with thin bed to med bed x 12m rippled SS, massive in upper pzrt. 13