Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Mine and Mineral Processing Plant Locations (Other than crushed stone, sand and gravel, and common clay)
The information presented represents basic data about the 1,965 mines and processing plants shown on the map.
