from 120' to 0' thick in 300 yards. Thus there seem to be few "key horizons" in this interval - We have 3 or 4 chert pebble conglomerate zones near the top of the Leonard, a couple of conglomerates in the Hess facies - and that is about all. Even these are probably not of to great a regional significance as they are mostly 3 to 6" conglomerate lenses (near the top of the fm), and the ones lower are calcirudites with locally derived pebbles and cobbles of limestone. 7/10/59 18) cont. chert frag. scattered throughout upper 150'; pebble bed at 190' - 3" pebble band - ----------293'. 19) Limestone dolomite, light gray to light brown weathering, 1/16 - 1/8" laminate of limestone alternating with dolostone - 2'. Dolostone [algal laminae?? supratidal?] PG. 8 20) Dolostone, light brown pitted surface - 15'. 21) Like 19 - 8' [algal laminae?]. 22) Like 20 - [20-28' up - quartz frag. conglomerate thin pebbles - 74']. 23) Limestone, light gray, with some 1/8" bands of irregularly bands of dolomite, 6" to 1' beds - Top of ridge (Fulk ranch) Locally angular limestone pebbles and cobbles make 6" beds. 24) Dolostone brown-gray, with Leptober outliers, in 6" to 2' beds pebble conglomerate 6' up 3" band - 37'. 25) Limestone, brown-gray, shelly, Collection 2-25A - 5' up. PG. 9 Collection 2-25B - 24' up - 3" bed of fusulinid "cochina" [P. iveri Collection] - 42'. 26) Limestone, light gray, poorly bedded. 2' to 3' beds, weathers crumbly - [65' up - crinoid columnal hash - 2'] [local intraformational conglomerate - limestone pebbles] - 185'. 27) Sandstone, brown, red-orange, very fine quartz sand - 5'. 28) Limestone, blue to purple-gray, irregular wavy bedding- 42'. 29) Limestone, light gray, massive 2'-3' beds, excellent silicified faunal of gastropods, Brachs ?, pelecypods. - 12'. PG. 10 30) Limestone, light gray, to white, fossils replaced by calcite, 4' to 6' bed, 30' (Cretaceous K?). PG. 11 7/10/59 Allison Ranch, Section 1 Covered below on this west side of road - 1) Limestone, brown, silty and sandy, 3" to 1' beds - 4'.