Historical information : northern elk herd

Hartzog, George; Howe, Robert; Barmore, William

Statement of George B. Hartzog, Jr. Director, National Park Service, Department of the Interior before the subcommittee of the Senate committee on appropriations, at Casper, Wyoming March 11, 1967 Management program: Northern Yellowstone elk herd, Yellowstone National Park Fact sheet: Yellowstone National Park elk management program [Letter to the Secretary of the Interior, Stewart Udall] Wildlife management in the national parks / Advisory Board on Wildlife Management Wildlife management background information Long-range wildlife and habitat management plan for Yellowstone National Park Cooperative management plan for the Northern Yellowstone Elk Herd and its habitat: Part I Yellowstone National Park elk management program, 1966-1967 [Memo] Yellowstone's elk reduction program Successful live trapping of elk on their winter range / Robert E. Howe Conflicts in recreation: elk versus aspen in Yellowstone National Park / William J. Barmore.