| Deposit ID | 10264132 |
|---|---|
| MAS/MILS ID | 0080350151 |
| Record type | Site |
| Current site name | Larkspur Pit |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -104.95997, 39.2319 (WGS84) |
| Elevation | 1988 |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Douglas(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Larkspur(quadrangle 1:24,000 scale)
Castle Rock(quadrangle 1:100,000 scale)
Denver(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper South Platte(hydrologic unit)
South Platte(hydrologic accounting unit)
South Platte(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Colorado | Douglas |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 009 S | 068 W | 26 | Colorado |
| Commodity | Importance |
|---|---|
| Sand and Gravel, Construction | Primary |
| Ore Body (1) | -104.95997, 39.2319 |
|---|
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Non-metallic |
| Significant | No |
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Ramsour Brothers |
| ID | 503144 |
| Interest | 100 |
| Home office | Colorado |
| Year | 1980 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080350151 | |
| Mine Safety and Health Administration | MSHA | MSHA | 0503144 |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 29-MAY-80 | Mils-Rdm | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 07/16/1987 |
|---|---|
| MSHA mine ID | 0503144 |
| Mine name (MSHA) | Larkspur Pits 1 & 2 |
| Current operator | Kiewit Western Company |
| Current controller (parent) | Peter Kiewit Sons' Inc |
| Mine type | Surface (Metal / non-metal) |
MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.
Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.