Key Takeaway

Mason Quarry is a intermittent surface mine producing Stone, located in Mason, Hillsborough County, NH. It has 20 violations on record (2 S&S) and $2K in proposed penalties. Operated by Georgia Stone Management LLC.

Mason Quarry

Intermittent Surface Stone

Operator: Georgia Stone Management LLC

Controller: Donald Conte

Location: Mason, Hillsborough County, NH

Employees: 3

20
Violations
2
S&S Violations
0
Accidents
$2K
Penalties

Recent Violations

View all 20 →
Date Section S&S Negligence Penalty
09/22/2025 56.14100(b) Non-S&S $0
08/26/2025 56.14100(b) Non-S&S HighNegligence $168
03/04/2020 56.14100(c) Non-S&S ModNegligence $123
03/04/2020 56.12004 Non-S&S LowNegligence $123
03/04/2020 56.12018 Non-S&S LowNegligence $123
01/16/2012 50.30(a) Non-S&S ModNegligence $100
01/16/2012 50.30(a) Non-S&S ModNegligence $100
08/12/2011 56.12004 S&S ModNegligence $243
08/10/2011 56.12028 Non-S&S ModNegligence $100
10/06/2009 56.11002 Non-S&S ModNegligence $100
01/03/2008 56.11027 Non-S&S HighNegligence $176
03/14/2006 56.12028 Non-S&S ModNegligence $60
04/18/2005 56.16005 S&S ModNegligence $124
03/14/2005 47.41(a)(1) Non-S&S ModNegligence $60
12/22/2003 56.11027 Non-S&S ModNegligence $60
12/22/2003 56.14100(b) Non-S&S ModNegligence $60
11/13/2001 56.14107(a) Non-S&S ModNegligence $55
11/13/2001 56.6132(b) Non-S&S ModNegligence $55
11/08/2001 56.9100(b) Non-S&S ModNegligence $55
11/08/2001 56.9300(a) Non-S&S ModNegligence $55

Inspections

View all 20 →
Begin End Hours Inspectors
11/05/2025 11/07/2025 13.00 1
09/22/2025 09/22/2025 6.75 1
08/24/2025 08/26/2025 15.00 1
03/04/2020 03/09/2020 2.75 1
03/04/2020 03/12/2020 16.50 1
03/28/2013 03/28/2013 5.00 1
03/26/2013 03/26/2013 10.50 1
08/13/2012 08/13/2012 5.50 1
08/10/2011 08/16/2011 28.25 1
12/07/2010 12/07/2010 4.00 1

Mine Details

MSHA Mine ID2700151
Mine TypeSurface
StatusIntermittent
CommodityStone
SIC DescriptionDimension Stone NEC
Employees3
Days/Week5.0
Hours/Shift8.0
Coordinates42.7616670, -71.7363890
Nearest TownMason

Frequently Asked Questions

How many MSHA violations does Mason Quarry have?

Mason Quarry has 20 MSHA violations on record, of which 2 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.

What type of mine is Mason Quarry?

Mason Quarry is a Surface mine producing Stone, located in Mason, Hillsborough County, NH. It currently has 3 employees.

Has anyone been injured or killed at Mason Quarry?

According to MSHA records, Mason Quarry has 0 reported accident/injury records and 0 fatalities on file.

Who operates Mason Quarry?

Mason Quarry is operated by Georgia Stone Management LLC and controlled by Donald Conte. MSHA Mine ID: 2700151.