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Athens Conservancy GIS Center (53)
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Big Ten Academic Alliance Geospatial Information Network (8)
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CMAP (Chicago Metropolitan Agency for Planning) Data Hub (51)
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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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Hamilton County, Indiana Open Data Collection (42)
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Hoosier Resilience Index: Indiana (17)
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Humanitarian Data Exchange (6,701)
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Indiana University (14,884)
IndianaMap (374)
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LandScan Global Population Database (23)
Library of Congress Geography and Map Division (1)
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MapHub (1)
Maryland National Capital Parks and Planning Commission (1)
Maryland iMap (1,249)
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NebraskaMap (152)
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Pennsylvania Department of Conservation and Natural Resources Open Data Portal (57)
Pennsylvania Department of Environmental Protection (156)
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Pennsylvania State University (3,888)
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PolicyMap (387)
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Princeton (1,004)
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Renville County Open GIS Data (44)
Russian Military Topographic Map Collection (3)
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The Ohio State University (255)
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U.S. Fish and Wildlife Service Open Data (1,972)
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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University of Iowa (3,541)
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Western Pennsylvania Regional Data Center Open Data (52)
Wilkin County, Minnesota Open Data (17)
Wisconsin Geological and Natural History Survey (61)
Wisconsin Rapids Online Map Portal (18)
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WisconsinView (2,170)
Wood County Open Data Portal (13)
Yellow Medicine County Hub (5)
York County, PA GIS Open Data Portal (50)
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