Professional Paper 1802 cover
![PP 1802 cover](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/pp1802_frontcover.png?itok=rfrsOPkV)
Detailed Description
Cover of USGS Professional Paper 1802 Critical mineral resources of the United States—Economic and environmental geology and prospects for future supply, https://doi.org/10.3133/pp1802.
Sources/Usage
Public Domain.