James H. Herold, Bureau of Land Management, April 7, 1968;

U.S. Department of the Interior Bureau of Land Management Antiquities Site Inventory, June 27, 1975;

Montana Archaeological Society, 1977 Annual Meeting Agenda and Information, April 16-17, 1977;

U.S. Department of Agriculture Forest Service Medicine Wheel District RE: 2720 Special Use Permits, Oglala Sioux Nation, June 1, 1977;

John H. Brumley, Ethos Consultants Ltd., May 16, 1984;

Pete Chidsey, Chief Ranger, U.S. Department of Agriculture, Forest Service, Medicine Wheel Ranger District, September 4, 1985;

Owen Williams, October 28, 1985;

Glenn D. Sweem, Wyoming Archaeological Society, November 22, 1985;

Donald J. Warren, MD, December 3, 1985;

Roger Williams, December 3, 1985;

Forest and Stream, December 3, 1985;

Crow Cultural Commission, Crow Agency, Montana, December 3, 1985;

DeWitt Dominik, December 3, 1985;

Michael Wilson, University of Calgary, December 5, 1985;

George C. Frison, University of Wyoming, December 10, 1985;

Owen B. Williams, December 11, 1985;

Robert D. Bush, Ph.D., Wyoming State Archives, Museums & Historical Department, December 12, 1985;

Estelle Busillo, Field & Stream, December 12, 1985;

Charlie Blatz, Wyoming Council for the Humanities, December 16, 1985;

Carl Spath, Wyoming State Archives, Museums & Historical Department, December 18, 1985.