Data / Mines / South Dakota / Rapid City Quarry & Mill
Rapid City Quarry & Mill: 149 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Rapid City Quarry & Mill is an active lime surface mine in Pennington County, South Dakota, operated by Colorado Lien Company with 109 employees on MSHA's record (mine ID 3900020). Since January 1, 2022 MSHA inspectors issued 149 citations and orders there with $88,492 in proposed penalties, and 24 accident reports were filed there, with 24 injury or illness cases.
The request: Watch Rapid City Quarry & Mill (MSHA mine ID 3900020) in Pennington County, South Dakota: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 3900020
- Status
- Active since March 12, 1979
- Main commodity
- Lime
- Mine type
- Surface
- County
- Pennington County, South Dakota
- Nearest town
- Rapid City
- Operator
- Colorado Lien Company
- Parent company
- Pete Lien & Sons Inc
- Employees
- 109
- MSHA field office
- Rapid City SD Field Office
- Citations and orders since January 1, 2022
- 149
- Significant and substantial
- 32 (21.5%)
- Closure orders
- 4
- High negligence or reckless
- 13
- Proposed penalties
- $88,492
- Amount paid so far
- $88,492
- Inspections
- 17
- Inspector hours on site
- 711
- Citations per inspection
- 8.76 (all mines 2.30)
- Accident reports
- 24
- Injury and illness cases
- 24
- Fatalities
- 0
- Latest MSHA record
- July 1, 2026
- Citations issued to contractors here
- 10 ($4,790 proposed)
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2022 | 18 | 8 | $6,545 | 7 |
| 2023 | 40 | 5 | $15,603 | 7 |
| 2024 | 37 | 9 | $30,590 | 7 |
| 2025 | 38 | 9 | $28,591 | 0 |
| 2026 | 16 | 1 | $7,163 | 3 |
Standards cited most at Rapid City Quarry & Mill
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.20003 | Surface metal and nonmetal mines | 15 |
| 30 CFR 56.11001 | Surface metal and nonmetal mines | 10 |
| 30 CFR 56.14107 | Surface metal and nonmetal mines | 9 |
| 30 CFR 56.14112 | Surface metal and nonmetal mines | 9 |
| 30 CFR 56.14100 | Surface metal and nonmetal mines | 8 |
| 30 CFR 56.14101 | Surface metal and nonmetal mines | 7 |
| 30 CFR 56.12004 | Surface metal and nonmetal mines | 6 |
| 30 CFR 56.14207 | Surface metal and nonmetal mines | 5 |
| 30 CFR 56.4104 | Surface metal and nonmetal mines | 5 |
| 30 CFR 56.4101 | Surface metal and nonmetal mines | 5 |
| 30 CFR 56.12028 | Surface metal and nonmetal mines | 5 |
| 30 CFR 56.4201 | Surface metal and nonmetal mines | 4 |
| 30 CFR 46.11 | Training at sand, gravel and surface stone mines | 4 |
| 30 CFR 46.9 | Training at sand, gravel and surface stone mines | 4 |
| 30 CFR 56.14132 | Surface metal and nonmetal mines | 3 |
Injury and illness cases at Rapid City Quarry & Mill
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 20 |
| No lost time, or an occupational illness | 4 |
What the accident reports at Rapid City Quarry & Mill describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Handling of materials | 8 |
| Slip or fall of person | 6 |
| Stepping or kneeling on object | 2 |
| Handtools (nonpowered) | 2 |
| Powered haulage | 2 |
| Machinery | 1 |
| Disorders (repeated trauma) | 1 |
| Other | 1 |
| Exploding vessels under pressure | 1 |
Equipment named in accident reports at Rapid City Quarry & Mill
| Equipment | Reports |
|---|---|
| Front-end loader | 4 |
| Hand tools (not powered) | 2 |
| Hand tools (powered) | 1 |
| Conveyor | 1 |
| Classifier | 1 |
| Crusher | 1 |
Other open mines in Pennington County, South Dakota
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| GCC Dacotah Inc | GCC Dacotah Inc | Pennington County, SD | Cement | 108 | 311 |
| Portable #110 | Western Construction Inc. | Pennington County, SD | Construction sand and gravel | 5 | 30 |
| Rapid City Quarry | Simon Contractors | Pennington County, SD | Crushed, broken limestone | 14 | 29 |
| Superior Crusher #2 | Simon Contractors | Pennington County, SD | Construction sand and gravel | 4 | 23 |
| Portable #100 | Western Construction Inc. | Pennington County, SD | Construction sand and gravel | 3 | 17 |
| Fisher Industries Plant 23 | Fisher Sand & Gravel Company | Pennington County, SD | Construction sand and gravel | 16 | 15 |
| Portable #107 | Western Construction Inc. | Pennington County, SD | Construction sand and gravel | 2 | 8 |
| State Shale Pit #2 | Bulk Transport Company East, Inc. | Pennington County, SD | Common shale | 2 | 6 |
| Dakota Stone Mining & Stone Supply Inc | Dakota Stone Mining & Stone Supply Inc. | Pennington County, SD | Crushed, broken stone | 5 | 3 |
| CF & I Pit | Colorado Lien Company | Pennington County, SD | Iron ore | 5 | 3 |
| S P No 1 | Morris Inc | Pennington County, SD | Construction sand and gravel | 4 | 3 |
| Opperman Portable 1700S | Opperman Inc | Pennington County, SD | Construction sand and gravel | 3 | 3 |
| Ol Red | Hills View Concepts LLC | Pennington County, SD | Construction sand and gravel | 2 | 3 |
| Hot Springs Quarry | Simon Contractors | Pennington County, SD | Crushed, broken limestone | 2 | 1 |
| Creston Sand Plant | Colorado Lien Company | Pennington County, SD | Construction sand and gravel | 4 | 0 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.