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Allegan County GIS Data Library (11)
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Allen County GIS Data Download Page (9)
American Panorama (206)
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Big Ten Academic Alliance Geospatial Information Network (5)
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Evansville, Vanderburgh County, Indiana Open Data Collection (50)
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GEOhio Spatial Data Discovery Portal (314)
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GIS Data Downloads for Erie County, Ohio (6)
GIS Data Downloads for Fairfield County Auditor's Office, Ohio (31)
GIS Data Downloads for Geauga County Auditor, Ohio (48)
GIS Data Downloads for Queen Anne's County, Maryland (57)
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Lake County Illinois Open Data Portal (53)
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Linn County, Iowa Open Data Portal (39)
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Maryland iMap (1,009)
McLean County GIS Consortium Open Data (21)
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Milwaukee County GIS Download (78)
Minnesota Legislative Coordinating Commission - Geospatial Information (LCC-GIS) (27)
Montgomery County Open Data (1,554)
Nebraska Game & Parks Map and Data Portal (1)
NebraskaMap (150)
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Pennsylvania Department of Conservation and Natural Resources Open Data Portal (57)
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Russian Military Topographic Map Collection (3)
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Saint Louis County GIS & Mapping (18)
Sarpy County GIS Portal (131)
Sauk County GIS Download (51)
Social Explorer (76)
South Bend, IN Open Data (42)
Spatial Data for Brown County, Ohio (11)
St Mary's County GIS Downloadable Layers (25)
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Stanford (3)
Stark County GIS Data (108)
State of Michigan Open Data Portal (367)
Summit County GIS Data (31)
The Newberry Library (2)
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UM Matthaei Botanical Gardens and Nichols Arboretum (30)
UW-Madison Robinson Map Library (20)
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University of Iowa (53)
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Waupaca County GIS Download (29)
Waushara County GIS Download (10)
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Wilkin County, Minnesota Open Data (17)
Wisconsin Rapids Online Map Portal (18)
Wood County Open Data Portal (13)
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York County, PA GIS Open Data Portal (50)
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