Change Over Time on U.S. Geological Survey Topographic Maps
By National Geospatial Program
August 2022 (approx.)
![Gif showing change over time as depicted by USGS topographic maps in the Vienna, VA quad](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/HTMCmedia240_0.gif?itok=GROPteWU)
Detailed Description
This animated gif shows change over time on USGS topographic maps in the Vienna, VA quad. Please see the Historical Topographic Maps - Preserving the Past page for details. Click here to download historical topographic maps.
Sources/Usage
Public Domain.