Washington County Sec 9, T. 5 S, R. 5 E.

Center of eastern line, sec 9 Measured by M.K. Elias, 1932

Unit No. Description Thickness ft.   Herington ls member   28 Limestone, flaggy 9.5   Paddock sh member   27 Shale, gray 13.5   Krider ls member   26 Shale, calc, with Septopora, Rhombopora, Dictyoclostus and Derbya 2 25 Shale 2.6 24 Shale, calc, with crinoid-joints abd Aviculopecten .4 23 Limestone, oolitic, flaggy .7   Odell sh member   22 Shale, gray 3.3 21 Shale, red 8.4 20 Shale, green, calc .6 19 Shale, red 5 18 Shale, green 3 17 Shale, purple .8 16 Shale, sandy, green 5.8   Cresswell ls member   15 Limestone, somewhat flaggy, with echinoid remains 5.5 14 Limestone, flaggy, with echinoid remains, crinoid joints, and Derbya 1 13 limestone with echinoid remains and Composita 1.5   Grant sh member   12 Covered 11.5   Stoval ls member   11 Limstone, largely replaced by flint 1   Gage sh formation   10 Shale 2 9 Shale, calc, with Derbya, few Myalina, and crinoid joints 3 8 Mudstone, soft, full of Derbya; also few Dictyoclostus 1.5 7 Shale, gray 7 6 Shale, red 6.5 5 Covered 30   Towanda ls formation   4 Limestone, somewhat flaggy, with small pelecypods and gastropods 2 3 Limestone, splittery 1 2 Limestone 1 1 Limestone, splittery 1