Colorado-American Fluorspar Mine (344)

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Mine name Colorado-American Fluorspar Mine
State Colorado
County Chaffee
Quadrangle Poncha Springs
Author Van Alstine, R.E.
View northwest from Arkansas River, showing the main fault zone between hills of  Tertiary  rhyolitic welded   tuff  (left)  and  Precambrian rocks  (right) and the Colorado-American fluorspar mine.  Poncha Springs northeast quadrangle, Chaffee County, Colorado.  ca.  1945. Published as figure 5 in U.S. Geological Survey. Professional paper 626. 1969.
Caption View northwest from Arkansas River, showing the main fault zone between hills of Tertiary rhyolitic welded tuff (left) and Precambrian rocks (right) and the Colorado-American fluorspar mine. Poncha Springs northeast quadrangle, Chaffee County, Colorado. ca. 1945. Published as figure 5 in U.S. Geological Survey. Professional paper 626. 1969.