Black-footed ferret surveys on seven coal occurrence areas in southwestern and southcentral Wyoming, June 8 to September 25, 1978

"This report summarized results of black-footed ferret surveys conducted on seven Bureau of Land Management (BLM)-administered coal lease sites in Wyoming, June-September 1978...Objectives of this study were (1) to search for black-footed ferrets or their sign by accepted methodology, and (2) to test new or alternative methods for detection of black-footed ferrets, as time allowed"--Page 1.