Hill City, South Dakota
The Greenback Group is near Hill City, South Dakota. Historically the site has been associated with the Hill City Mining District which is now part of the Black Hills National Forest. Mine operations consist of surface and underground workings. There is one known shaft. Subsurface depth reaches a maximum of 18 meters (60 feet). The ore mined is composed of gold and silver. The host rock in this area is slate from the Neoproterozoic era 1.00 to 0.54 billion years ago. The Black Hills of the Interior Plains characterize the geomorphology of the surrounding area.
Site identification and general characteristics. Learn about USGS mines.
Additional textual information about a site or mine.
Formal or informal mining district names.
3 UNPATENTED CLAIMS TOTALING APPROXIMATELY 20 ACRES.
Workings at the site.
A 20 FOOT & 60 FOOT SHAFT AND SEVERAL SMALL OPEN PITS.
Physiographic area where the resource is found.
Controls on emplacement of ore such as faults or other structural features.
Other deposits in the same region.
First Find Lode
Antler-Burlington Gold Mine
Sunnyside Gold Mine
Buckey-Lena-Gopher Gold Mine
Union Hill Gold Mine
* Mine bounds on map indicate the general area that a mine occupies. For an detailed map, refer to the overseeing BLM field office.
** The mine central point is based on an average of the mine's bounding box(es) and does not necessarily fall on the claim itself.
1 World-class significance is determined by total endowment of the contained commodity. This includes all past production and remaining reserves. Each commodity is considered separately and commodities cannot be combined to arrive at a significant size. The tonnage thresholds are from the mine model grade-tonnage studies. As of June 2008, many entries were classified as significant under less strict rules.
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
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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.
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