一般注記"Conference sponsors: U.S. Department of the Interior, Bureau of Land Management, Fish and Wildlife Service, National Park Service; U.S. Department of Agriculture, Forest Service; American Wilderness Alliance; Colorado State University; Oregon State University."
"July 1986"--Cover
Physical description for original version: 553 p. : 28 cm
原資料等に関する注記原資料の出版事項: Ogden, UT : Intermountain Research Station, 1986
SUPTDOC番号: A 13.88: INT-212
GPO管理番号: 83-B-6 (microfiche)