Granite overlain by arkose at the head of Sheep valley. Matanuska district, Cook Inlet region, Alaska.
Dates
Date Taken
1910
Summary
Granite overlain by arkose at the head of Sheep valley. Matanuska district, Cook Inlet region, Alaska. 1910. Plate 7-A in U.S. Geological Survey. Bulletin 500. 1912.
Summary
Granite overlain by arkose at the head of Sheep valley. Matanuska district, Cook Inlet region, Alaska. 1910. Plate 7-A in U.S. Geological Survey. Bulletin 500. 1912.
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