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Author/Creator
- Geological Survey (U.S.)17
- Long, John Hamilton12
- United States. Central Intelligence Agency11
- DenBoer, Gordon, 1933-6
- Atlanta Regional Commission5
- Carter, Janet M.5
- National Atlas & Thematic Mapping Organisation (India)5
- Redden, Jack A. (Jack Allison), 1926-20195
- Sinko, Peggy Tuck5
- South Dakota. Department of Environment and Natural Resources5
- United States. Bureau of the Census. Geography Division5
- West Dakota Water Development District (S.D.)5
- Lerebours Pigeonnière, Anne4
- United States. Bureau of the Census. Data Preparation Division4
- Editions Jeune Afrique3
- Thompson, Robert Stephen3
- Abrams, Gerda2
- Dr. William M. Scholl Center for Family and Community History2
- George Philip & Son2
- Instituto Geográfico Nacional (Spain)2