Management technology in the U.S. Forest Service: experimentation and innovation in the field, 1948-1979 : and related material, Robert H. Torheim; tape recorded interview conducted by Ann Lage in 1980. Regional Oral History Office, The Bancroft Library, University of California, Berkeley, California, 1980 :
Bancroft Library. Regional Oral History Office.
Torheim, Robert H.,
Forests and forestry