Novaculite ridges in Lightning Hills, looking northwest from elevation point 4,450 (ft). Brewster County, Texas. 1930.
Dates
Date Taken
1930
Summary
Novaculite ridges in Lightning Hills, looking northwest from elevation point 4,450 (ft); Lightning overthrust crops out in valley in foreground. Convoluted ridges of folded and faulted novaculite in middle distance. Brewster County, Texas. November 1930. Plate 7-A, with graphics, U.S.Geological Survey Professional paper 187. 1937.
Summary
Novaculite ridges in Lightning Hills, looking northwest from elevation point 4,450 (ft); Lightning overthrust crops out in valley in foreground. Convoluted ridges of folded and faulted novaculite in middle distance. Brewster County, Texas. November 1930. Plate 7-A, with graphics, U.S.Geological Survey Professional paper 187. 1937.
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