G. Margaret Porter
116 Hesburgh Library
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Maps and GIS
Digital Sanborn maps 1867-1970
Sanborn fire insurance maps are detailed property and land-use records covering more than 12,000 U.S. towns and cities. Founded in 1867 by D. A. Sanborn,
the Sanborn Map Company was the primary American publisher of fire maps for over 100 years, repeatedly mapping towns and cities as they changed.
Harvard Map Collection digital maps
This virtual collection includes maps and atlases currently available through HOLLIS, the Harvard Image Delivery Service and georeferenced maps available
through the Harvard Geospatial Library (HGL). Modes of searching include browsing the index or a keyword and guided search toolbar.
ProQuest Sanborn maps geo edition
"uses a selection of images from Digital Sanborn Maps... images are georeferenced, or assigned geographic coordinates, that enable individual map records
to be found via an address or GPS search. ... layer maps from different years on top of each other and over modern street, satellite, and hybrid layers."--Scope of the collection.
Serial set maps, 1817-1980
Coverage: years 1855-1994, as of Sept. 2011.
Specialized search module for maps from U.S. Congressional Serial Set, allowing focused searches on geographic areas, subjects the maps represent, their
titles, and associated names. Serial Set Maps will eventually cover the full scope of the Readex U.S. Congressional Serial Set.