Massive New Tool Lets You Look at Maps of Your Town Over 100 Years | TheBlaze.com
Comparing then and now, the farms of yesteryear turned into the thoroughfares of today, can command a special attention, and on July 1 the U.S. Geological Survey sought to capture that attention by launching a massive online tool which allows users to layer more than 100 years of maps across the entire United States of America.
