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A planning approach for developing inventory and monitoring programs in national parks

Peterson, David L. (David Lawrence), 1954-
Denver, Colo. : U.S. Dept. of the Interior, National Park Service, Natural Resources Publication Office, 1995. 1995

Problems and practices in backcountry recreation management : a survey of National Park Service mana

Marion, Jeffrey L. (Jeffrey Lawrence)
Denver, Colo. : U.S. Dept. of the Interior, National Park Service, Natural Resources Publication Office, [1993] 1993

Proceedings of the ... biennial Scientific Conference on the Greater Yellowstone Ecosystem.

Scientific Conference on the Greater Yellowstone Ecosystem, author.
Denver, Colo. : U.S. Department of the Interior National Park Service, Natural Resources Publication Office, 1994- 1994