Montgomery County Sec. 12, T. 35 S., R. 16 E

On Verdigris River on edge of Coffeyville Measured By R.C. M., 8/1929
	Unit No. Description Thickness 4 Limestone, light gray blotched with brown, has brecciated appearance very massive, large fucoids at base, top uneven rounded, blocks weathers rought. Few fossils large, Cronetes granulifer type, Mesoloius [Mesolobus?], M. splendens, large cysthophylloid coral E. semipunctatus, aulopora, Prismapora, Zaphrentis, abundant Squamularia, large markings like Isograma ("super" Lenapah) 7 ft. 3 Shale, with numerous Marginifera 2 ft. 2 Limestone and shale, nodular, bluish gray ("upper") 4 ft. 1 Shale, bluish sandy with a few lenses and beds of tan sandstone 24 ft.
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