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A. Woods, J. Omernik, S. Brockman, T. Gerber, W. Hosteter, And S. Azevedo
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Center for Ancient Middle Eastern Landscapes, Institute for the Study of Ancient Cultures, University of Chicago (8,792)
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LandScan Global Population Database (23)
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Russian Military Topographic Map Collection (3)
Rutgers University-New Brunswick (4,554)
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UM Matthaei Botanical Gardens and Nichols Arboretum (62)
UW Digital Collections Center (2,596)
UW-Madison Robinson Map Library (6,077)
University of Chicago (71)
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York County, PA GIS Open Data Portal (50)
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