Montgomery County Sec. 20, T. 32 S., R. 14 E

On Elk City--Independence highway 3 miles southeast of Elk City at Elk River bridge and vicinity. Measured By R.C. M. 470, 7/17/1931
	Unit No. Description Thickness 6 Limestone gray, oolite and "oatmeal" at the top, slabby bluish below 33 ft. 5 Shale blue clay with abundant fossils, especially crinoid stems 10 ft. 4 Limestone, bluish sandy makes bench +/- 3 ft. 3 Shale bluish gray with molluscan fauna, Trepospira, Worthenia Astartella Bellerophon Ambocoelia +/- 10 ft. 2 Limestone light gray massive +/- 20 ft. 1 Shale, dark bluish sandy and limy impure platy sandstone + 20 ft.
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