- U.S. Geological Survey248,294
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Stanford18,468
- Indiana University15,792
- Humanitarian Data Exchange12,844
-
Princeton9,434
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Harvard8,876
-
University of Minnesota7,466
-
University of Iowa7,006
- UW-Madison Robinson Map Library6,336
- Rutgers University-New Brunswick4,541
-
Pennsylvania State University3,887
-
Texas2,676
- UW Digital Collections Center2,596
- WisconsinView2,232
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University of Illinois Urbana-Champaign2,210
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NYU2,130
-
University of Michigan1,365
- National Aeronautics and Space Administration1,239
-
Michigan State University1,225
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American Geographical Society Library – UWM Libraries936