The National Bureau of Mines mission is to document and record historic mines throughout
the United States, in order to preserve and remember the great mining heritage of the U.S.
The National Bureau of Mines fills the void left by the Federal Bureau of Mines. Verifying and certifying mines and mining claims across the United States. Documenting historic mines for futures generations.
Comes in small plastic bag
Hole in the center for posting
Weight: 0.8 oz