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Chase County

Sec. 26, T. 19 S., R. 7 E
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Beginning at the level of Cottonwood River about 200 feet South of bridge; 3/4 mile East of Elmdale
Measured By Swain,
Intervals above Neva measured with plane table
Unit No. Description Thickness
72 Concealed to top of hill, a few feet  
71 Light gray to white, thin bedded limestone, interbedded white chert, Bryozoa, echinoids, crinoids, brachipods 3 ft.
70 Concealed except for 1 foot, olive green fissile shale, calcareous just beneath above unit. Normal marine fauna. 11.5 ft.
69 Light bluish-gray, tough, dense limestone, with small clams 1 ft.
68 Concealed 4.5 ft.
67 Dove gray dense massive limestone, weathers rust brown, 4th ledge above Cottonwood 1 ft.
66 Concealed with a few loose slabs of light gray limestone, about 10 feet below top of following unit 13.8 ft.
65 Olive brown limestone, coarsely crystalline; algal, w. bron 1 ft.
64 Concealed 1.8 ft.
63 Light buff gray, thin bedded molluscan limestone, 2nd bench above Cottonwood 2 ft.
62 Concealed: some small pieces of limestone 5 feet below next limestone 27.5 ft.
61 Light gray, massive, dense, pitted limestone, sugary texture 1 ft.
60 Concealed 19.26 ft.
59 Light gray, massive porous fusulinid limestone, Cottonwood 3 ft.
58 Much concealed, but pea-green and pink fissile calcaerous shale intermittently exposed. A light gray limestone makes bench in road 8 feet above main ledge Neva and may represent U. Neva 24.06 ft.
57 Pea green fissile calcaerous shale, brachiopods, bryozoa, echinoids 3 ft.
56 Light gray, tough, nodular limestone, having brecciated appearace on weathered surface 3 ft.
55 Light buff-green medium bedded proous limestone, crinoids, echinoids, brachiopods, plano-spiral snails 1 ft.
54 Buff-gray thin bed limestone, with soft clay in middle brachiopods, crinoids, echinoids, fusulines 1 ft.
53 Light gray, argillaceous limestone, marine fossils 0.2 ft.
52 Drab, gray, thinly laminated calcareous shale with marine fossils 0.3 ft.
50 Grayish brown, soft, calcareous, shale with orbiculoidea 0.7 ft.
49 Light gray, hard, thick bedded, finely crystalline limestone, in 2 layers, brachipods, echinoids, crinoids algae? 1.9 ft.
48 Light gray, laminated packed limestone, secondary calcite, Boxwork of Condra and Busby 1.2 ft.
47 Olive-green fissile shale, weathers buff 3.6 ft.
46 Light gray to cream laminated limestone, edgewise congolmerate at base curdled appearace above 2 ft.
45 Cream colored punky marl 0.3 ft.
44 Light gray platy limestone, with some pelecypods, Pectens, Top has clams, fish? and ostracoda 2.3 ft.
43 Light grayish buff pelecpod shale 0.5 ft.
42 Light gray massive pelecypod limestone 0.7 ft.
41 Light grayish buff argillaceous pelecypod limestone, with 0.2 feet soft papery shale in middle 0.8 ft.
40 Olive brown papery pelecypod shale 0.1 ft.
39 Dove gray pelecypod limestone, Aviculopecten and Myalina 0.3 ft.
38 Blue-gray shale and limestone 2 ft.

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