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Cadastral maps
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Collections (9)
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Imagery (6,255)
Maps (49,683)
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Aerial maps (2)
Aerial photographs (695)
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Cadastral maps (7,805)
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Big Ten Academic Alliance Geospatial Information Network (8)
Brandeis University (1)
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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)
Center for Rural Pennsylvania (1)
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Cook Central (236)
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Eidgenössische Technische Hochschule Zürich (2)
Evansville, Vanderburgh County, Indiana Open Data Collection (50)
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GeoDa Data and Lab (73)
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Harvard (183)
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High Country News (1)
Hoosier Resilience Index: Indiana (17)
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Humanitarian Data Exchange (6,701)
ICPSR (Inter-university Consortium for Political and Social Research) (1)
Illinois DOT Open Data Portal (99)
Illinois Geospatial Data Clearinghouse (192)
Indiana Covid-19 Cases Tracker (1)
Indiana University (14,884)
IndianaMap (374)
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 (85)
LandScan Global Population Database (23)
Library of Congress Geography and Map Division (1)
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Lorain County GIS Data (85)
Macoupin Data (2)
MapHub (1)
Maryland National Capital Parks and Planning Commission (1)
Maryland iMap (1,249)
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Natural Resources Research Institute (106)
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NebraskaMap (152)
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OpenTopography (1)
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PHLmaps (322)
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)
Peoria County GIS Open Data Portal (70)
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PolicyMap (387)
Polk County GIS Open Data (62)
Pope County Open Data (41)
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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 (131)
Sauk County GIS Download (51)
SimplyAnalytics (12)
Social Explorer (448)
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St Mary's County GIS Downloadable Layers (25)
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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 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 (3,541)
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)
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)
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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