Typical outcrops of Piedra rhyolite in West Bellows Creek.Tthe main tuff layer of the Piedra forms the bench above cliff. Mineral County, Colorado. 1914.
Dates
Date Taken
1914-09-01
Summary
Typical outcrops of Piedra rhyolite in West Bellows Creek, as seen from north of benchmark 11,570; the main tuff layer of the Piedra forms the bench above cliff. Creed quadrangle. Mineral County, Colorado. September 1, 1914. Published as Figure 24, in U.S.Geological Survey Professional paper 258. 1956.
Summary
Typical outcrops of Piedra rhyolite in West Bellows Creek, as seen from north of benchmark 11,570; the main tuff layer of the Piedra forms the bench above cliff. Creed quadrangle. Mineral County, Colorado. September 1, 1914. Published as Figure 24, in U.S.Geological Survey Professional paper 258. 1956.
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