Washington DC: United States Government Printing Office, 1939. Paperback. 211pp. Octavo [23 cm] Green and black printed wraps. Very good. Very light foxing here and there. Item #35217
From the Introduction- "This account of our summer in camps and cabins of the canyon and its immediate vicinity pictures the bird life as I found it grouped at different levels and in desert or forest setting, where observing visitors may duplicate my experiences."
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