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Time Period:
1800-1849
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Resource Class
Datasets (2,122)
Maps (3,999)
Other (1)
Web services (35)
Websites (5)
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Aerial views (1)
Cadastral maps (3,240)
Early maps (3)
Geological maps (5)
Image data (2,073)
Manuscript maps (7)
Military maps (7)
Nautical Charts (1)
Nautical charts (5)
Outline maps (2)
Pictorial maps (4)
Polygon data (8)
Raster data (125)
Road maps (4)
Thematic maps (15)
Topographic maps (7)
Tourist maps (1)
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World maps (9)
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City of Chicago Data Portal (5)
Cornell (1)
GeoDa Data and Lab (1)
Harvard (13)
High Country News (1)
Indiana University (14)
Iowa Geodata (100)
Lorain County GIS Data (1)
Michigan State University (16)
Michiganology (2,028)
Minnesota Geospatial Information Office (MnGeo) (30)
Natural Resources Research Institute (17)
Northwestern University (39)
Pennsylvania State University (24)
Rutgers University-New Brunswick (39)
Social Explorer (5)
State of Michigan Open Data Portal (2)
The Ohio State University (2)
U.S. Fish and Wildlife Service Open Data (7)
UM Matthaei Botanical Gardens and Nichols Arboretum (1)
UW Digital Collections Center (2,073)
University of Chicago (4)
University of Illinois Urbana-Champaign (45)
University of Iowa (1,193)
University of Maryland (8)
University of Michigan (165)
University of Minnesota (292)
University of Wisconsin-Madison (1)
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