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M4OPS

For our prototype mapping system try the Demo at mapping4ops.org/M4OPS.

You can also see an overview of M4OPS on YouTube.

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Author Topic: Maps in the US Library of Congress  (Read 612 times)

PeterC

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Maps in the US Library of Congress
« on: 29 November 2017, 20:01:07 »
The US Library of Congress has over 400,000 US maps, of which thousands are online, and many of which are downloadable in various formats.

A useful resource for OPS are Sanborn Fire Insurance Maps, produced as part of the Sanborn Maps. As they say The Sanborn Fire Insurance Maps are a valuable resource for genealogists and historians, covering all the states from the late 1880s through the early 1960s.
« Last Edit: 29 November 2017, 20:10:53 by PeterC »

 

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