Wilderness and the National Forests Timeline
1924 Gila Wilderness Designation
1929 Forest Service L-20 Regulation for Primitive Areas
1932 Primitive Areas Policy Memorandum
1939 Forest Service U-Regulations for Wilderness and Wild Areas
1953 President Eisenhower Message
1956 Horace Albright Letter to Eisenhower
1956 Eisenhower Reply to Albright
1963 Forest Service Chief Edward P. Cliff Speech
1967 Secretary of Agriculture Orville Freeman Speech
1968 Secretary Freeman I-70 Decision
1973 Forest Service and Eastern Wilderness
1974 Secretary of Agriculture Earl Butz Speech
1978 Endangered American Wilderness Act
