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willard m spaulding
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Effects of surface mining on the fish and wildlife resources of the United States
Willard M. Spaulding · U.S. Bureau of Sport Fisheries and Wildlife; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
55 sayfa · 1968
Environmental aspects of Strip mining / Strip mining / Wildlife conservation / Environmental aspects
A survey of parasites of the ruffed grouse (Bonasa umbellus) in Ottawa National Forest
Willard M. Spaulding, University of Michigan. School of Natural Resources. · Yayınevi bilinmiyor
56 sayfa · 1958
Ruffed grouse / Parasites