North down Piceance Creek. Rio Blanco County, Colorado. 1925.
Dates
Date Taken
1925-07-28
Summary
North down Piceance Creek in T. 1 N., R. 97 W., upper three units of the Parachute Creek member of the Green River formation; lower part of the upper oil-shale group; the transitional beds; the lower oil-shale group; below, the Garden Gulch member. Rio Blanco County. Colorado. July 28, 1925. Plate 4-A, U.S. Geological Survey. Professional paper 168. 1931.
Summary
North down Piceance Creek in T. 1 N., R. 97 W., upper three units of the Parachute Creek member of the Green River formation; lower part of the upper oil-shale group; the transitional beds; the lower oil-shale group; below, the Garden Gulch member. Rio Blanco County. Colorado. July 28, 1925. Plate 4-A, U.S. Geological Survey. Professional paper 168. 1931.
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