Detail of gneiss cliff on north side of Mill Creek canyon. Ravalli County, Montana. 1899.
Dates
Date Taken
1899
Summary
Detail of gneiss cliff on north side of Mill Creek canyon, near mouth, cliff 1,500 feet high. Ravalli County, Montana. 1899. Plate 6-A in U.S. Geological Survey. Professional paper 27. 1904.
Summary
Detail of gneiss cliff on north side of Mill Creek canyon, near mouth, cliff 1,500 feet high. Ravalli County, Montana. 1899. Plate 6-A in U.S. Geological Survey. Professional paper 27. 1904.
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