Maps

American Memory Maps: Cities and Towns

http://lcweb2.loc.gov/ammem/gmdhtml/cityhome.html

American Memory Maps: Panoramic Maps

http://lcweb2.loc.gov/ammem/pmhtml/panhome.html

David Rumsey Historical Maps:

http://www.davidrumsey.com

Digital History:

http://www.digitalhistory.uh.edu/maps/maps.cfm#maps_state

Fire Insurance Maps of Chicago:

http://tigger.uic.edu/depts/ahaa/imagebase/firemaps/

Fire Insurance Maps of Hartford (and other Connecticut Cities):

Sanborn Map Company Fire Insurance Maps

Babbidge Map Library Microfilm-Level 4

Historic Pittsburgh Maps Collection:

http://digital.library.pitt.edu/maps/index.html

How to Read Sanborn Fire Insurance Maps:

http://fisher.lib.virginia.edu/collections/maps/sanborn/web/details.html

Map History/ History of Cartography:

http://www.maphistory.info/imageus.html#states

National Atlases, 1870-1890

http://memory.loc.gov/ammem/gmdhtml/census.html

United States Digital Map Library

http://www.rootsweb.com/~usgenweb/maps/table2.html

University of Connecticut Map and Geographic Information Center:

http://mapserver.lib.uconn.edu/magic/

University of Texas, Perry-Castañeda Library Map Collection, United States Maps:

http://www.lib.utexas.edu/maps/united_states.html