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Delaware Valley Regional Planning Commission
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Imagery and Base Maps
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Imagery (6,243)
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Aerial maps (2)
Aerial photographs (695)
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North Central, PA Regional Planning and Development Commission (1)
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Big Ten Academic Alliance Geospatial Information Network (9)
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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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Delaware Valley Regional Planning Commission (DVRPC) (145)
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Humanitarian Data Exchange (6,701)
ICPSR (Inter-university Consortium for Political and Social Research) (1)
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Indiana University (14,884)
IndianaMap (378)
Iowa Emergency Operations Center (1)
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IowaDOT Open Data (546)
Kenosha County, WI GIS Open Data Portal (31)
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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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NebraskaMap (150)
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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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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)
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Stark County GIS Data (110)
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Summit County GIS Data (31)
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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 (1,987)
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 Iowa (3,595)
University of Maryland (274)
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Waukesha County GIS Download (45)
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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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