. Birds of the Kilbuck and Ahklun mountain region, Alaska. Birds Alaska Bristol Bay Region. B Fig. Placer mining operation at Pbtinumjuly 1977. Photo by M. R. Petersen. B. Abandoned gold dredge typical of those used as nesting sites by common goldeneyes, clilf swallows, Say's phoebes, rougli legged hawks, and other species. Photo by D. N. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Petersen, Margaret R; Wei
. Birds of the Kilbuck and Ahklun mountain region, Alaska. Birds Alaska Bristol Bay Region. B Fig. Placer mining operation at Pbtinumjuly 1977. Photo by M. R. Petersen. B. Abandoned gold dredge typical of those used as nesting sites by common goldeneyes, clilf swallows, Say's phoebes, rougli legged hawks, and other species. Photo by D. N. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Petersen, Margaret R; Weir, Douglas N; Dick, Matthew H; U. S. Fish and Wildlife Service. [Washington, D. C. ] : U. S. Dept. of the Interior, Fish and Wildlife Service
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Keywords: ., bookauthorusfishandwildlifeservice, bookcentury1900, bookcollect
