NDT state trail contributors to USGS Nationwide Trails Database, included trails under review, small
By National Digital Trails
February 2021 (approx.)
Detailed Description
The image is from the USGS Nationwide Trails Database and shows the continental United States at the main image; below is Hawaii, Alaska, Puerto Rico, and the Virgin Islands. A legend is included.
Trails found in the dataset in yellow. Non-trail areas are indicated in a deep forest green. State trails in review are indicated by lime green.
Sources/Usage
Public Domain.