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By: Schenbeck, Greg L. - Myhre, Richard J. - United States. Forest Pest Management. Methods Application Group.Edition:Publication info: Fort Collins, Colo, U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, Methods Application Group, [1986]Volume: 86-7Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Aerial photography Buffalo Gap National Grassland Buffalo Gap National Grassland (S.D.) Cynomys ludovicianus Prairie dogs Remote sensing South Dakota Wildlife managementBHL Collections: