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Filters Date Types (for Date Range) Types Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) OGC WMS Service (1) Contacts U.S. Geological Survey Zen, E-an Tags (with Type=place ) beaverhead county, montana (1) View Results as: JSON ATOM CSV

Interbedded dark-gray argillite and quartzite, lower member of the Silver hill Formation near Hecla. Beaverhead County, Montana. No Date. Album caption: Interbedded dark-gray argillite and quartzite, lower member of the Silver hill Formation near Hecla. Note thin seams of argillite in quartzite above the thick argillite bed, and note crossbedding in quartzite below. Published as figure 5. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Beaverhead County, Montana, Photographers, Zen, E-An Collection, photo print