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Data / Mines / Holliday Rock Company Inc

Holliday Rock Company Inc: 4 open mines, 82 MSHA citations

Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.

Holliday Rock Company Inc (MSHA operator ID L01650) operates 4 open mines with 94 employees in California, mostly construction sand and gravel. Since January 1, 2022 MSHA inspectors issued it 82 citations and orders with $25,110 in proposed penalties, and it reported 24 injury or illness cases. Data from MSHA, November 6, 2026.

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MSHA operator ID
L01650
Open mines
4
Employees at open mines
94
States
California
Citations and orders since January 1, 2022
82
Significant and substantial
21 (25.6%)
Closure orders
5
High negligence or reckless
7
Proposed penalties
$25,110
Amount paid so far
$24,671
Inspections
69
Inspector hours on site
500
Citations per inspection
1.19 (all mines 2.30)
Accident reports
26
Injury and illness cases
24
Fatalities
0
Latest MSHA record
September 22, 2026

Open mines of Holliday Rock Company Inc

Ranked by citations since January 1, 2022.

MineOperatorCountyMain commodityEmployeesCitations since 2022
Upland Pit and MillHolliday Rock Company IncSan Bernardino County, CAConstruction sand and gravel5530
Campus PlantHolliday Rock Company IncSan Bernardino County, CAConstruction sand and gravel1522
Holliday Rock-Little Rock PlantHolliday Rock Company IncLos Angeles County, CAConstruction sand and gravel1613
Mojave PitHolliday Rock Company IncKern County, CAConstruction sand and gravel82

Citations and injury cases by year

Calendar years since 2022; 2026 runs to the date of the MSHA files.

YearCitations and ordersSignificant and substantialProposed penaltiesInjury and illness cases
2022172$3,1802
20233412$16,3918
2024133$2,4826
2025103$1,7127
202681$1,3451

Standards cited most at Holliday Rock Company Inc

Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.

StandardWhat the part coversCitations
30 CFR 56.12004Surface metal and nonmetal mines9
30 CFR 56.14112Surface metal and nonmetal mines9
30 CFR 56.14100Surface metal and nonmetal mines7
30 CFR 56.12032Surface metal and nonmetal mines5
30 CFR 56.20003Surface metal and nonmetal mines4
30 CFR 56.16001Surface metal and nonmetal mines3
30 CFR 56.11001Surface metal and nonmetal mines3
30 CFR 56.14132Surface metal and nonmetal mines3
30 CFR 56.14107Surface metal and nonmetal mines2
30 CFR 56.18002Surface metal and nonmetal mines2
30 CFR 56.14101Surface metal and nonmetal mines2
30 CFR 56.12008Surface metal and nonmetal mines2
30 CFR 46.11Training at sand, gravel and surface stone mines2
30 CFR 47.41Hazard communication2
30 CFR 47.44Hazard communication2

Injury and illness cases at Holliday Rock Company Inc

Accident reports by degree of injury, as the operator reported them to MSHA.

DegreeCases
Days away from work or restricted activity22
No lost time, or an occupational illness2

What the accident reports at Holliday Rock Company Inc describe

Accident classification, as MSHA codes the circumstances that contributed most directly.

ClassificationReports
Handling of materials8
Slip or fall of person6
Powered haulage3
Handtools (nonpowered)2
Other2
Machinery2
Fire1
Striking or bumping1
Disorders (repeated trauma)1

Equipment named in accident reports at Holliday Rock Company Inc

EquipmentReports
Hand tools (not powered)2
Pump1
Crane1
Shovel1
Trucks1
Welding machine1
Ore haulage trucks - off highway trucks1
Conveyor1
Man lift1

Commodities

Main commodityOpen mines
Construction sand and gravel4

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.