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Ann Arbor Data Catalog (35)
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Big Ten Academic Alliance Geospatial Information Network (9)
Brandeis University (1)
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CMAP (Chicago Metropolitan Agency for Planning) Data Hub (51)
Calvert County Open GIS Data Portal (16)
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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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Humanitarian Data Exchange (6,701)
ICPSR (Inter-university Consortium for Political and Social Research) (1)
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Indiana Covid-19 Cases Tracker (1)
Indiana University (14,884)
IndianaMap (378)
Iowa Emergency Operations Center (1)
Iowa Geodata (235)
IowaDOT Open Data (546)
Kenosha County, WI GIS Open Data Portal (31)
Lake County Illinois Open Data Portal (53)
Land Records Data Portal of Columbia County, WI (61)
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 (1,256)
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National Renewable Energy Laboratory (1)
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Natural Resources Research Institute (106)
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NebraskaMap (150)
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PHLmaps (323)
Pennsylvania Department of Conservation and Natural Resources Open Data Portal (57)
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Pennsylvania State University (3,888)
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PolicyMap (387)
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Pope County Open Data (41)
Prince George's County GIS Open Data (262)
Prince George's County Open Data Portal (13)
Princeton (1,004)
Purdue University (120)
Racine County GIS Download (41)
Ramsey County Open Data (36)
Renville County Open GIS Data (44)
Russian Military Topographic Map Collection (3)
Rutgers University-New Brunswick (4,554)
SEMCOG Open Data (36)
Saint Louis County GIS & Mapping (18)
Sarpy County GIS Portal (106)
Sauk County GIS Download (51)
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Social Explorer (448)
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Stanford (1,109)
Stark County GIS Data (110)
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Summit County GIS Data (31)
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The Ohio State University (255)
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U.S. Fish and Wildlife Service Open Data (1,987)
UM Matthaei Botanical Gardens and Nichols Arboretum (63)
UW Digital Collections Center (2,596)
UW-Madison Robinson Map Library (6,077)
University of Chicago (71)
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University of Illinois Urbana-Champaign (2,501)
University of Iowa (3,595)
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Waukesha County GIS Download (45)
Waupaca County GIS Download (29)
Waushara County GIS Download (10)
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)
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York County, PA GIS Open Data Portal (50)
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