Figure 21. Exposure of upper part of Schrader Bluff Formation at Shivugak Bluff, along Colville River east of Umiat. Strata consist of resistant sandstones, mostly of shallow-marine origin, interbedded with mudstone, tuffaceous sandstone, tuff, and bentonite. Bluff has approximately 300 ft of relief. View to north. Photograph by D.W. Houseknecht. PRINT/VIEW a high-quality PDF image |
U.S. Department of the Interior, U.S. Geological Survey
URL: https://pubsdata.usgs.gov/pubs/pp/p1673/thumbnails/fig21.html
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