Specimen of mosaic breccia in oil shale. Uintah County, Utah. 1925.
Dates
Date Taken
1925
Summary
Specimen of mosaic breccia in oil shale showing the contrast on a weathered surface between the flakes of very rich oil shale and the slightly less rich matrix; Uintah County, Utah. September 10, 1925. Plate 15-A, U.S. Geological Survey. Professional paper 168. 1931.
Summary
Specimen of mosaic breccia in oil shale showing the contrast on a weathered surface between the flakes of very rich oil shale and the slightly less rich matrix; Uintah County, Utah. September 10, 1925. Plate 15-A, U.S. Geological Survey. Professional paper 168. 1931.
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