Data Release Prospect- and Mine-Related Features from USGS Maps V9
![mine symbol map for conterminous US](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/USGS_TopoMineSymbols_ver9_browse.png?itok=Ra3XTjMA)
Detailed Description
Horton, J.D., and San Juan, C.A., 2016, Prospect- and mine-related features from U.S. Geological Survey 7.5- and 15-minute topographic quadrangle maps of the United States (ver. 9.0, January 2023): U.S. Geological Survey data release, https://doi.org/10.5066/F78W3CHG.
Sources/Usage
Public Domain.