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Dc Subject Sm:
Elevation
Time Period:
1900-1949
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Resource Class
Datasets (502)
Imagery (374)
Maps (26,879)
Other (127)
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Aerial maps (1)
Aerial photographs (151)
Aerial views (20)
Aeronautical charts (2)
Atlases (1,050)
Bathymetric maps (1)
Bird's-eye views (1)
Cadastral maps (859)
Facsimiles (3)
Fire insurance maps (10,135)
Geological maps (1,183)
Image data (353)
Index maps (9)
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Military maps (3,278)
Mine maps (11)
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OpenIndexMaps (6)
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World maps (20)
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American Panorama (463)
Center for Ancient Middle Eastern Landscapes, Institute for the Study of Ancient Cultures, University of Chicago (3,741)
Cornell (3)
Harford County Planning and Zoning Open GIS (1)
Harvard (8)
Humanitarian Data Exchange (2)
Indiana University (10,572)
Library of Congress Geography and Map Division (1)
Michigan State University (1,053)
Michiganology (169)
Milwaukee County GIS Download (2)
Minnesota Geospatial Commons (1)
Minnesota Geospatial Information Office (MnGeo) (633)
New Jersey Geographic Information Network (NJGIN) Open Data Portal (4)
Northwestern University (58)
Oakland County, MI Open data (1)
Open Data DC (2)
Pennsylvania Spatial Data Access (PASDA) (3)
Pennsylvania State University (2,603)
PolicyMap (1)
Prince George's County GIS Open Data (1)
Princeton (708)
Purdue University (75)
Rutgers University-New Brunswick (2,286)
Social Explorer (18)
Stark County GIS Data (1)
State of Michigan Open Data Portal (3)
The Ohio State University (31)
U.S. Fish and Wildlife Service Open Data (5)
UM Matthaei Botanical Gardens and Nichols Arboretum (6)
UW Digital Collections Center (317)
UW-Madison Robinson Map Library (37)
University of Chicago (35)
University of Chicago Library GIS Data Hub (16)
University of Illinois Urbana-Champaign (1,440)
University of Iowa (972)
University of Maryland (228)
University of Michigan (94)
University of Minnesota (2,303)
Waukesha County GIS Download (1)
Western Pennsylvania Regional Data Center Open Data (2)
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