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Author/Creator
- Geological Survey (U.S.)341
- Maps.com (Firm)91
- United States. Bureau of the Census. Geography Division23
- Adam Matthew Digital (Firm)21
- Great Britain. Colonial Office21
- National Archives (Great Britain)21
- Feltis, R. D. (Richard D.), 1930-18
- National Atlas & Thematic Mapping Organisation (India)17
- United States. Central Intelligence Agency14
- Folger, Helen W.13
- Yager, Douglas B.13
- United States. Bureau of the Census. Data Preparation Division12
- California. Division of Mines and Geology11
- Arizona Water Commission10
- USGS-NOAA Joint Office for Mapping and Research in the EEZ10
- Jenness, Jane E.9
- Lopez, David A.9
- Wheeler, Russell L.8
- CE Info Systems (P) Ltd7
- Rhea, Susan7