Sweet Grass County, Montana has 5,983 records of mining claims on public land managed by the Bureau of Land Management and 64 records of mines listed by the United States Geological Survey (USGS).
Quick Facts
- 5,983 records of mining claims on public land managed by the Bureau of Land Management.
- 1,543 active mining claims
- 4,440 closed mining claims
- 64 USGS records of mines in Sweet Grass County, Montana.
- Platinum , Gold , Copper , Nickel , and Palladium mines located in Sweet Grass County, Montana. See All
Claims Summary
in Sweet Grass County, Montana
- 5,983 Total
- 1,543 Active
- 4,440 Closed
Mines Summary
in Sweet Grass County, Montana
- 64 Total
- 38 Occurrences
- 19 Prospects
- 7 Producers
Sweet Grass County Mine Locations
Click to open an interactive map.
© The Diggings™
Recently Updated Mining Claims
Most recently updated claims in Sweet Grass.
Mining Claims (BLM)
Sweet Grass County, Montana has 5,983 mining claims on public land listed in The Diggings™. Of these claims, 25.79% are active while 74.21% are now closed.
Quick BLM Facts
- 5,983 records of mining claims on public land managed by the Bureau of Land Management.
- 1,543 records of active mining claims
- 4,440 records of closed mining claims
Mine By Disposition
In Sweet Grass
| COUNTY | Authorized mines |
|---|---|
| closed | 4440 |
| active | 1543 |
Mining Trends
Historic Mining Records (USGS)
Sweet Grass has 64 identified mines listed in The Diggings™. The most commonly listed primary commodities in Sweet Grass mines are Platinum , Gold , and Copper . At the time these mines were surveyed, 38 mines in Sweet Grass were observed to have ore mineralization in an outcrop, shallow pit, or isolated drill hole—known as an occurance mine.1 Sweet Grass has 19 prospect mines.2 7 mines were in production at the time the data was entered into USGS records.
Quick USGS Facts
- 64 records of mines in Sweet Grass County, Montana.
- 19 records of prospects
- 38 records of mineral occurrences of observable ore mineralization.
- 7 records of mineral producers
Mine By Disposition
In Sweet Grass
| COUNTY | Authorized mines |
|---|---|
| Occurrences | 38 |
| Prospects | 19 |
| Producers | 7 |
1 Grade, tonnage, and extent of mineralization for such mines are unspecified.
2 Such mines have some degree of development such as surface trenching, adits, shafts, drill holes, geophysics, geochemistry, or geological mapping to estimate grade and tonnage.
Popular Public Lands & Regions
in Sweet Grass County, Montana
Land TypeTotal ClaimsActive ClaimsClosed ClaimsActive AcresTotal MinesProspectsOccurrencesPlantsProducers
Gallatin National Forest
National Forests
3,824
949
2,875
17,076.46
99
66
22
0
11
Custer National Forest
National Forests
1,874
534
1,340
11,032.43
28
5
21
0
2
Absaroka-Beartooth Wilderness
Wilderness Areas
252
67
185
1,383.56
26
18
4
0
4
Top Mining Districts
in Sweet Grass County, Montana
StateTotal ClaimsActive ClaimsClosed ClaimsActive AcresTotal MinesProspectsOccurrencesPlantsProducers
Stillwater Mining District
Montana
1,454
1,447
7
27,326.77
65
27
34
0
4
Deer Creek-Iron Mountain Mining District
Montana
1
1
0
59.68
8
3
3
0
2
Independence Mining District
Montana
0
0
0
0
51
40
4
0
7
Top Owners
in Sweet Grass County, Montana
CityStateCategoryInterest RelationshipTotal ClaimsActive ClaimsClosed ClaimsActive Acres
Group Ten Inc. (USA)
Reno
Nevada
Corporation
Claimant
655
655
0
13,532.3
Stillwater Mining Co.
Columbus
Montana
Corporation
Claimant
738
738
0
12,694.5
Interwest Exploration Inc.
Rancho Santa Fe
California
Corporation
Claimant
28
28
0
578.48
Fort Stockton Investments Inc.
San Diego
California
Corporation
Claimant
34
17
17
351.22
Group Ten USA Inc.
Red Lodge
Montana
Corporation
Claimant
6
6
0
108.3
Popular Towns, Cities, Etc.
in Sweet Grass County, Montana
CountyStateTotal ClaimsActive ClaimsClosed ClaimsActive AcresTotal MinesProspectsOccurrencesPlantsProducers
McLeod
Sweet Grass
Montana
6,709
1,682
5,027
32,939.18
103
42
47
0
14
Big Timber
Sweet Grass
Montana
729
171
558
1,066.28
13
5
4
0
4
Greycliff
Sweet Grass
Montana
175
2
173
80.34
10
4
4
0
2
Melville
Sweet Grass
Montana
163
0
163
0
5
3
2
0
0
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.
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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.
-
Understanding Townships
A “township” can refer to two different things. Both are part of the PLSS measurement system but have different uses.
