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Chase County

Sec. 17, T. 20 S., R. 8 E
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Started 100 ft. north of south line of section 17 on US 177 south of Cottonwood Falls and went 1/4 mile into section 20 along road
Measured By H.G. O'Connor & J. Parks, 8/12/1947
Unit No. Description Thickness
1 Limestone - base of Three Mile  
2 Covered 19.2 ft.
3 Mudstone - gray to light gray-blue; silty to limy; thin-bedded 1.75 ft.
4 Limestone - gray; mottled to banded; partly cherty. partly crystalline; fossil fragments; siltstone-like 2 ft.
5 Limestone - gray to buff; silty; thin uneven bedding 3.2 ft.
6 Covered 5.85 ft.
7 Shale - buff; thin-bedded; calcareous; abundant branching bryozoans, a few Derbya 2.05 ft.
8 Limestone - (or siltstone) gray; thin, uneven bedding 0.1 ft.
9 Limestone - (or siltstone) gray; partly crystalline; fossil fragments 0.6 ft.
10 Shale - buff; clayey; blocky to thin-bedded 0.3 ft.
11 Limestone - light buff gray; very fine grained with crystalline calcite irregular veins throughout; weathers buff 1.7 ft.
12 Shale - buff to olive; clayey to calcareous; thin, stringy bedding 3.85 ft.
13 Covered 3.55 ft.
14 Limestone - gray with buff clayey veins and tubules; very knobby bedding 0.45 ft.
15 Shale - olive green; finely blocky grading downward to thin calcareous, platy 1.95 ft.
16 Covered - including unit 15 4.1 ft.
17 Shale - light buff to light gray; impure; knobby 0.3 ft.
18 Limestone - buff to light gray; knobby bedded; impure 2.355 ft.
19 Shale - green; clayey 0.5 ft.

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