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North Central, PA Regional Planning and Development Commission (1)
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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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Grant County Open Data Hub (28)
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Humanitarian Data Exchange (6,701)
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Indiana University (14,884)
IndianaMap (374)
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Kenosha County, WI GIS Open Data Portal (31)
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Land Records Data Portal of Columbia County, WI (85)
LandScan Global Population Database (23)
Library of Congress Geography and Map Division (1)
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Maryland National Capital Parks and Planning Commission (1)
Maryland iMap (1,249)
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Minnesota Legislative Coordinating Commission - Geospatial Information (LCC-GIS) (27)
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National Renewable Energy Laboratory (1)
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Natural Resources Research Institute (106)
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NebraskaMap (152)
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PHLmaps (322)
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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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Prince George's County Open Data Portal (13)
Princeton (1,004)
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Ramsey County Open Data (36)
Renville County Open GIS Data (44)
Russian Military Topographic Map Collection (3)
Rutgers University-New Brunswick (4,554)
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Stark County GIS Data (110)
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The Newberry Library (53)
The Ohio State University (255)
Three Rivers Park District Open Data (5)
U.S. Department of Agriculture (1)
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)
University of Chicago Library GIS Data Hub (34)
University of Illinois Urbana-Champaign (2,501)
University of Iowa (3,595)
University of Maryland (274)
University of Michigan (1,140)
University of Minnesota (5,990)
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Waukesha County GIS Download (37)
Waupaca County GIS Download (29)
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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)
Wisconsin State Cartographer's Office (1)
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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