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Author/Creator
- International Symposium on Man's Role in Changing the Face of the Earth (1955 : Princeton, N.J.)4
- Thomas, William Leroy, 1920-4
- U.S. National Committee for Geochemistry. Subcommittee on the Geochemical Environment in Relation to Health and Disease3
- Environmental Systems Research Institute (Redlands, Calif.)2
- Gudelis, Vytautas2
- International Geographical Congress (13th : 1931 : Paris)2
- International Geographical Congress (3rd : 1881 : Venice)2
- International Geographical Union. Commission on Geographical Data Sensing and Processing2
- National Academy of Sciences (U.S.)2
- Abrahams, A. D. (Athol D.), 1946-1
- American Association for the Advancement of Science1
- American Congress on Surveying and Mapping1
- American Society for Photogrammetry and Remote Sensing1
- Applied Econometrics Association1
- Asilomar Workshop on the Geochemical Environment in Relation to Health and Disease, (1972)1
- Association of American State Geologists1
- Atlantic Canada Symposium on Remote Sensing and Geographic Information Systems (1st : 1985 : Nova Scotia Land Survey Institute)1
- Australia. Dept. of Science & Technology1
- Basalykas, Alfonsas1
- Beesley, Ken B.1