Conference on Research in Colorado Plateau National Parks Flagstaff, A., United States. National Park Service., Colorado Plateau Research Station (U.S.), Northern Arizona University., Van Riper, C., & Van Riper, C., III. (1995). Proceedings of the Second Biennial Conference on Research in Colorado Plateau National Parks. [Washington, D.C.]: U.S. Dept. of the Interior, National Park Service.

Conference on Research in Colorado Plateau National Parks Flagstaff, Ariz.), United States. National Park Service, Colorado Plateau Research Station (U.S.), Northern Arizona University, Charles Van Riper, and Charles Van Riper, III. Proceedings of the Second Biennial Conference On Research in Colorado Plateau National Parks. [Washington, D.C.]: U.S. Dept. of the Interior, National Park Service, 1995.

Conference on Research in Colorado Plateau National Parks Flagstaff, Ariz.), et al. Proceedings of the Second Biennial Conference On Research in Colorado Plateau National Parks. [Washington, D.C.]: U.S. Dept. of the Interior, National Park Service, 1995.