Library of Congress
Loc: Maps of Cities and Towns
Looking for old maps of somewhere in the United States? Check out this huge collection of maps! Search by the name of a city or town, another keyword, subject, title, or geographic location.
US Geological Survey
Usgs: The National Map
The United States Geological Survey explains the creation and the uses of the National Map. The student can access the map and explore the United States in an interactive setting.
University of Texas at Austin
Ut Library Online: Historical Map Collection
This extensive collection from the University of Texas Library Online of detailed maps of many regions of the Earth.