State Trail Contributions to USGS Database
By National Digital Trails
2021 (approx.)
![State Trail Contributions to USGS Database](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/State%20Trail%20Contributions%20to%20USGS%20Database.jpg?itok=Ym1isw_X)
Detailed Description
A national map displays distribution of USGS trails data received from state sources.
Sources/Usage
Public Domain.