Ptarmigan showing color change from white winter coloring to summer brown. Matanuska district, Cook Inlet region, Alaska. 1932.
Dates
Date Taken
1932
Summary
Album caption: Ptarmigan showing color change from white winter coloring to summer brown. Alaska. May 20, 1932. Index card: Ptarmigan showing color change from white winter coloring to summer brown. Matanuska district, Cook Inlet region, Alaska. May 20, 1932. Note: Negative withdrawn.
Summary
Album caption: Ptarmigan showing color change from white winter coloring to summer brown. Alaska. May 20, 1932.
Index card: Ptarmigan showing color change from white winter coloring to summer brown. Matanuska district, Cook Inlet region, Alaska. May 20, 1932.
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Available in the U.S. Geological Survey, Denver Library Photographic Collection, Davison, P.A. Collection.
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