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From Field and Study
Gordon W. Gullion, Leonard H. Day, Edward O. Dodson, Ben H. Pruitt, Charles G. Hansen, Ronald A. Ryder, Alden H. Miller, Fred G. Evenden, Jr., Philip F. Allan and Frank A. PitelkaVolume:
52
Language:
english
Journal:
The Condor
DOI:
10.2307/1364747
Date:
April, 1950
File:
PDF, 402 KB
english, 1950