United States. Forest Service. Pacific Northwest Region. (1985). Earth's heat: Geothermal energy on the national forests of the Pacific Northwest. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Pacific Northwest Region. Earth's Heat: Geothermal Energy on the National Forests of the Pacific Northwest. Portland, OR: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1985.
MLA (9th ed.) CitationUnited States. Forest Service. Pacific Northwest Region. Earth's Heat: Geothermal Energy on the National Forests of the Pacific Northwest. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1985.
Warning: These citations may not always be 100% accurate.