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Data / Mines / New Hampshire / Carroll County

Mines in Carroll County, New Hampshire: 11 open mines

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

MSHA lists 11 open mines in Carroll County, New Hampshire, run by 8 operators and employing 55 people. Since January 1, 2022 its inspectors issued 136 citations and orders there with $25,992 in proposed penalties, and operators reported 2 injury or illness cases. The operators with the most open mines are Alvin J Coleman & Son Inc; Glen Aggregates LLC; Pine River Sand and Gravel, LLC. Data from MSHA, November 6, 2026.

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Open mines
11
Operators
8
Employees
55
Intermittent
9
Active
2
Mines run by individuals, counted and not listed
1
Citations and orders since January 1, 2022
136
Significant and substantial
28 (20.6%)
Closure orders
7
High negligence or reckless
9
Proposed penalties
$25,992
Amount paid so far
$22,451
Inspections
85
Inspector hours on site
453
Citations per inspection
1.60 (all mines 2.30)
Accident reports
2
Injury and illness cases
2
Fatalities
0
Latest MSHA record
October 29, 2026

Operators with the most open mines in Carroll County, New Hampshire

Ranked by open mines, then by citations. Sole proprietors and individuals are not listed.

OperatorOpen minesEmployeesCitations since 2022Proposed penaltiesInjury cases
Alvin J Coleman & Son Inc41838$7,1520
Glen Aggregates LLC1223$5,7230
Pine River Sand and Gravel, LLC1322$4,7100
Evans Brothers LLC1218$2,5410
Ossipee Aggregates Corp12113$3,0432
Ambrose Brothers Inc1211$1,6260
Burke Quarry LLC135$6050

Operators with the most citations in Carroll County, New Hampshire

Citations and orders issued since January 1, 2022 at their open mines here.

OperatorOpen minesEmployeesCitations since 2022Proposed penaltiesInjury cases
Alvin J Coleman & Son Inc41838$7,1520
Glen Aggregates LLC1223$5,7230
Pine River Sand and Gravel, LLC1322$4,7100
Evans Brothers LLC1218$2,5410
Ossipee Aggregates Corp12113$3,0432
Ambrose Brothers Inc1211$1,6260
Burke Quarry LLC135$6050

Mines with the most citations

Open mines, ranked by citations and orders since January 1, 2022.

MineOperatorCountyMain commodityEmployeesCitations since 2022
Madison Pit and MillAlvin J Coleman & Son IncCarroll County, NHConstruction sand and gravel1523
Glen Aggregates LLCGlen Aggregates LLCCarroll County, NHConstruction sand and gravel223
Pine River Sand and GravelPine River Sand and Gravel, LLCCarroll County, NHConstruction sand and gravel322
Lima-1Evans Brothers LLCCarroll County, NHSand, common218
Ossipee AggregatesOssipee Aggregates CorpCarroll County, NHConstruction sand and gravel2113
Astec Track ScreenAmbrose Brothers IncCarroll County, NHConstruction sand and gravel211
Crusher 3Alvin J Coleman & Son IncCarroll County, NHConstruction sand and gravel110
Burke Quarry LLCBurke Quarry LLCCarroll County, NHConstruction sand and gravel35
Portable Sand Screen Plant, ST2.8Alvin J Coleman & Son IncCarroll County, NHConstruction sand and gravel14
Portable Sand Screen Plant, ST2.3Alvin J Coleman & Son IncCarroll County, NHSand, common11

Main commodities

Main commodityOpen minesShare
Construction sand and gravel981.8%
Sand, common218.2%

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
2022140$1,9710
2023448$7,3711
2024378$7,5540
2025229$7,6410
2026193$1,4551

Standards cited most at mines in Carroll County, New Hampshire

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 56.14132Surface metal and nonmetal mines18
30 CFR 56.14107Surface metal and nonmetal mines10
30 CFR 56.14100Surface metal and nonmetal mines9
30 CFR 50.30Reporting of accidents, injuries and illnesses9
30 CFR 56.11001Surface metal and nonmetal mines8
30 CFR 56.9300Surface metal and nonmetal mines8
30 CFR 56.18002Surface metal and nonmetal mines6
30 CFR 56.14110Surface metal and nonmetal mines5
30 CFR 56.12030Surface metal and nonmetal mines4
30 CFR 56.14112Surface metal and nonmetal mines4
30 CFR 46.9Training at sand, gravel and surface stone mines4
30 CFR 56.23002Surface metal and nonmetal mines4
30 CFR 56.11002Surface metal and nonmetal mines3
30 CFR 56.4201Surface metal and nonmetal mines3
30 CFR 56.9301Surface metal and nonmetal mines3

Injury and illness cases at mines in Carroll County, New Hampshire

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

DegreeCases
Days away from work or restricted activity1
No lost time, or an occupational illness1

What the accident reports at mines in Carroll County, New Hampshire describe

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

ClassificationReports
Machinery1
Handling of materials1

Equipment named in accident reports at mines in Carroll County, New Hampshire

EquipmentReports
Hand tools (powered)1
Bulldozer1

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.