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MSHA mine register by county

Mines in Carroll County, New Hampshire

Carroll County, New Hampshire has 26 mines on MSHA's register: 2 active, 9 intermittent, 15 abandoned. 1 miner has died and 70 accidents have been reported at these mines between 1984 and 2026. Inspectors have issued 752 citations.

Every mine MSHA has registered in Carroll County, working or not, with the accident, fatality and citation record each one carries on this site. Active mines are listed first, then the rest by the weight of their record.

Abandoned and historical mine features in Carroll County →

Mines on register
26
Active
2
Fatalities on record
1
Citations issued
752
0 underground · 26 surface · 0 facilities 0 coal · 26 metal and non-metal 9 intermittent 15 abandoned 70 reported accidents, 1984–2026
Local economic context
ⓘ County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Carroll County, New Hampshire · Population 51,259
0.0%
Mining share of county employment
$82,961
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
On the map 
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MSHA-registered mine, any status

Mines plot only where MSHA holds a surveyed coordinate for the site; mines the agency locates to a town, county or state centroid are in the counts and the list above but not drawn. Click a point for the mine's status and record.

Operators with the most mines herecurrent operator of record
Operator Mines Active Fatalities
Alvin J. Coleman & Son Inc. 4 0 0
Ambrose Brothers Inc 3 0 1
Pike Industries Inc 2 0 0
Brox Industries Inc 1 0 0
Bruce Robinson Company 1 1 0
BURKE QUARRY LLC 1 0 0
Dow Sand & Gravel 1 0 0
Evans Brothers LLC 1 0 0
Georgia Stone Management LLC 1 0 0
GFS Corp. General Contracting Services 1 0 0
Mines in Carroll County26 on register
  1. Ossipee Aggregates
    Surface metal/non-metal · Ossipee Aggregates Corp · MSHA ID 2700074
    Active
  2. Bruce Robinson Company
    Surface metal/non-metal · Bruce Robinson Company · MSHA ID 2700425
    Active
  3. PORTABLE CRUSHING PLANT 128X108
    Surface metal/non-metal · Ambrose Brothers Inc · MSHA ID 2700315
    Abandoned
  4. MADISON PIT AND MILL
    Surface metal/non-metal · Alvin J Coleman & Son Inc · MSHA ID 2700050
    Intermittent
  5. Glen Aggregates LLC
    Surface metal/non-metal · Glen Aggregates LLC · MSHA ID 2700268
    Intermittent
  6. Lima-1
    Surface metal/non-metal · Evans Brothers LLC · MSHA ID 2700435
    Intermittent
  7. Ambrose Brothers Inc-Tamworth Pit
    Surface metal/non-metal · Ambrose Brothers Inc · MSHA ID 2700149
    Abandoned
  8. Dow Sand & Gravel
    Surface metal/non-metal · Dow Sand & Gravel · MSHA ID 2700296
    Abandoned
  9. Crusher 3
    Surface metal/non-metal · Alvin J Coleman & Son Inc · MSHA ID 2700357
    Intermittent
  10. Astec Track Screen
    Surface metal/non-metal · AMBROSE BROS., INC. · MSHA ID 2700429
    Intermittent
  11. LA Drew-Portable Plant
    Surface metal/non-metal · Pike Industries Inc · MSHA ID 2700289
    Abandoned
  12. WOLFEBORO SAND & GRAVEL
    Surface metal/non-metal · Wolfeboro Sand & Gravel Inc · MSHA ID 2700363
    Abandoned
  13. PINE RIVER SAND AND GRAVEL
    Surface metal/non-metal · PINE RIVER SAND AND GRAVEL, LLC · MSHA ID 2700520
    Intermittent
  14. CONWAY SAND & GRAVEL C622
    Surface metal/non-metal · Pike Industries Inc · MSHA ID 2700107
    Abandoned
  15. Hanson Pit
    Surface metal/non-metal · Robert Hanson Excavating, Inc. · MSHA ID 2700457
    Abandoned
  16. Paul E Taylor Company
    Surface metal/non-metal · Paul E Taylor Company · MSHA ID 2700431
    Abandoned
  17. Madison Quarry
    Surface metal/non-metal · Georgia Stone Management LLC · MSHA ID 2700240
    Abandoned
  18. Pine River Aggregates
    Surface metal/non-metal · Pine River Aggregates · MSHA ID 2700297
    Abandoned
  19. BURKE QUARRY LLC
    Surface metal/non-metal · BURKE QUARRY LLC · MSHA ID 2700510
    Intermittent
  20. OSSIPEE SAND & GRAVEL
    Surface metal/non-metal · Ossipee Mountain Land Company Llc · MSHA ID 2700371
    Abandoned
  21. Portable Sand Screen Plant - ST2.8
    Surface metal/non-metal · Alvin J. Coleman & Son Inc. · MSHA ID 2700530
    Intermittent
  22. TAMWORTH, N.H. PLANT
    Surface metal/non-metal · Brox Industries Inc · MSHA ID 2700283
    Abandoned
  23. Portable
    Surface metal/non-metal · GFS Corp. General Contracting Services · MSHA ID 2700421
    Abandoned
  24. Ossipee Gravel Plant
    Surface metal/non-metal · Norris Harriman Construction & En · MSHA ID 2700133
    Abandoned
  25. Portable Sand Screen Plant - ST2.3
    Surface metal/non-metal · Alvin J. Coleman & Son Inc. · MSHA ID 2700575
    Intermittent
  26. Portable Screening Plant
    Surface metal/non-metal · L A Drew Inc · MSHA ID 2700452
    Abandoned

Status, type and operator are as reported to MSHA. Fatality and accident counts are MSHA's reportable accident records for the mine; citations are inspector-issued violations on record. Each mine's own page carries the full detail.

Other counties in New HampshireAll counties →
How to read these numbers

The register is MSHA's Mine Data Retrieval System: every operation ever assigned a mine ID, including ones abandoned decades ago, so the count is a history of mining in the county, not a count of working mines. A mine's county is the one its operator reported to MSHA. Fatality and accident counts start with MSHA's reportable-accident records (1983 onward); citation counts are inspector-issued violations on record. We are an independent research tool, not MSHA.