HAS ELKMONT CHANGED?

What did Elkmont look like in 1936? 1958? 1974? and now? This is a really neat map website. 
Link to Elkmont

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.  Users can layer a single historical map on top of the modern map, or they can layer multiple historical maps.