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Dc Type Sm:
Dataset
Place:
Maryland
Time Period:
1950-1999
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Resource Class
Datasets (56)
Imagery (15)
Maps (6)
Web services (44)
Resource Type
Polygon data (1)
Satellite imagery (13)
Vector data (55)
Provider
Baltimore County Open Data Portal (5)
Data Downloads - Montgomery Planning (4)
GeoDa Data and Lab (1)
Harford County Planning and Zoning Open GIS (9)
Maryland iMap (30)
Pennsylvania Spatial Data Access (PASDA) (2)
Prince George's County GIS Open Data (18)
University of Illinois Urbana-Champaign (2)
University of Maryland (2)
University of Minnesota (4)
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