Author
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Public Relations Society of America
1
Resources for the Future
1
Romberger, John Albert, , 1925-
1
Small Woodland Owners Association
1
Sociedad Española de Mineralogía
1
Society for Conservation Biology
2
Society for Mining, Metallurgy, and Exploration (U.S.)
1
Society of American Foresters
3
Society of Economic Geologists (U.S.)
2
Society of Mining Engineers of AIME
1
Società italiana di mineralogia e petrologia
1
Société française de minéralogie et de cristallographie
1
U.S. Forest Service. Northern Research Station
1
United States Department of Agriculture. Forest Service
1
University of Chicago. Dept. of Geology
1
University of New Brunswick. Faculty of Forestry
1
University of Washington. Dept. of Zoology
1
Waterbird Society
1
Young Entomologists' Society
2
Yukon Chamber of Mines
1