There's some really cool stuff here:
http://www.mapofus.org/
For your ancestors that may have been migrating west during the 1800's, you can find some really nice old maps to get an idea of what the land was like during those times.
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Brian Johnson
Founder and Lead Developer - Jamroom
https://www.jamroom.net
updated by @brian: 02/16/15 07:56:51AM
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