| Deposit ID | 10108518 |
|---|---|
| MRDS ID | DC11506 |
| Record type | Site |
| Current site name | Helena Limestone Mine |
| Geographic coordinates: | -112.05227, 46.58018 (WGS84) |
|---|
Political divisions (FIPS codes)
Lewis and Clark(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Helena(quadrangle 1:24,000 scale)
Elliston(quadrangle 1:100,000 scale)
Butte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Missouri(hydrologic unit)
Upper Missouri(hydrologic accounting unit)
Missouri-Marias(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Montana | Lewis and Clark |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 010N | 004W | 36 | Montana |
| Commodity | Importance |
|---|---|
| Limestone, General | Primary |
| Materials | Type of material |
|---|---|
| Limestone | Ore |
| (1) | -112.05227, 46.58018 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Boulder Batholith |
| Development status | Producer |
|---|---|
| Commodity type | Non-metallic |
| Significant | No |
| District name | Helena District |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC11506 |
MONT. B.M. AND GEOL. MEM. 39, 1949, P. 38
| Subject category | Comment text |
|---|---|
| Deposit | LARGE OPEN PIT; OPENED AFTER 1880, INTERMITTENT OPERATION UNTIL 1940. LARGE PRODUCTION. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Unknown | Conservation Division, USGS (no longer exists) |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.