South Dakota's Keystone Mining District includes 198 nearby claims—77 active and 121 closed—and 86 nearby mines—12 occurrences, 11 prospects, and 63 producers.
- Located in South Dakota.
- 77 claims are active
- 121 claims are closed
- 12 mines are Occurrences
- 11 mines are Prospects
- 63 mines are Producers
Mining Claim News From The Diggings™
Learn more about the Bureau of Land Management, Public Land Survey System, and mining claims.
Understanding Claim Ownership
We receive lots of emails from people who find their name or a relative’s name on our site and want to know if this means they have some right to the land listed under that name.
Understanding BLM Administrative Areas
Whether it is filing a mine or researching one, the administering BLM office is going to be the definitive source.
Understanding Location Data
Mine handled by the Bureau of Land Management are not mapped by latitude and longitude, instead, these mines harken back to the Public Land Survey System.
A “township” can refer to two different things. Both are part of the PLSS measurement system but have different uses.