Geology and water resources of a portion of the Missouri river valley in northeastern Nebraska . , friable, in beds 2 to 8 inches thick with thin layers of light-colored clay between S Clay, sandy, light colored ^ Sandstone, light colored, friable 1^ Sandstone, clay or sand, varying; color rusty to light 3 Parts of the stone in this quarry are used for building good specimens of leaves were found here. According to there2:>ort of the Avell drillers a thin bed of impure coal lies 30 feet belowthe lowest point in the quarry. Record of Mattisons tcell. i i sec. 20, T
Geology and water resources of a portion of the Missouri river valley in northeastern Nebraska . , friable, in beds 2 to 8 inches thick with thin layers of light-colored clay between S Clay, sandy, light colored ^ Sandstone, light colored, friable 1^ Sandstone, clay or sand, varying; color rusty to light 3 Parts of the stone in this quarry are used for building good specimens of leaves were found here. According to there2:>ort of the Avell drillers a thin bed of impure coal lies 30 feet belowthe lowest point in the quarry. Record of Mattisons tcell. i i sec. 20, T. 31 X., R. 6 E., southeast of Ionia, Xebr. Feet. Shaly limestone 0- 8 Chalk 8- V2 Dark shale 12- 45 Blue clay 45-105 Soft sandstone 105-277 Sand and gravel 277-302 Clay or shale 302-312 Soft sandstone 312^87 Gravel 487-517 BENTON GROUP. The Benton group lies between the Dakota and Niobrara formationsand, as Mr. Darton has shown, is separable in this region into threedistinct formations, which represent the Graneros shale, the Green- U. S. GEOLOGICAL SURVEY .VATER-SUPPLY PAPER NO. 215 PL. IV. A. DAKOTA SANDSTONE ON BANK OF MISSOURI RIVER BELOW MOUTH OF AOWA CREEK.
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Keywords: ., bookcentury1900, bookdecade1900, booksubj, booksubjectwatersupply
