1. Forest and Rangeland Renewable Resources Planning Act [RPA] of 1974. U.S. Public Law 93-378; Approved August 17, 1974
2. Forest and Rangeland Renewable Resources Research Act of 1978. U.S. Public Law 93-307; Approved June 30, 1978
3. Haynes RW (coord) (1990) An analysis of the timber situation in the United States: 1989-2040. Gen Tech Rep RM-199. USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO
4. Haynes RW (tech coord) (2003) An analysis of the timber situation in the United States: 1952-2050. Gen Tech Rep PNW-GTR-560. USDA Forest Service, Pacific Northwest Research Station, Portland, OR
5. Haynes RW, Adams DM (1985) Simulations of the effects of alternative assumptions on demand-supply determinants on the timber situation in the United States. USDA Forest Service, Forest Resources Economics Research, Washington DC