Key Takeaway

Cumberland Gap Hearthstone Inc. is a active surface mine producing SandAndGravel, located in Kemmerer, Lincoln County, WY. It has 28 violations on record (10 S&S) and $9K in proposed penalties. Operated by Cumberland Gap Hearthstone Inc..

Cumberland Gap Hearthstone Inc.

Active Surface SandAndGravel

Operator: Cumberland Gap Hearthstone Inc.

Controller: Lee John Challinor; Brian Dean Challinor

Location: Kemmerer, Lincoln County, WY

Employees: 5

28
Violations
10
S&S Violations
1
Accidents
$9K
Penalties

Recent Violations

View all 28 →
Date Section S&S Negligence Penalty
06/26/2025 56.18002(a) Non-S&S ModNegligence $151
06/26/2025 56.12028 Non-S&S ModNegligence $151
03/08/2024 56.5001(a)/.5005 S&S ModNegligence $172
03/08/2024 56.5001(a)/.5005 S&S ModNegligence $172
03/08/2024 56.5001(a)/.5005 S&S ModNegligence $172
03/08/2024 56.5001(a)/.5005 S&S ModNegligence $172
03/07/2024 56.12004 Non-S&S ModNegligence $147
03/07/2024 56.4102 Non-S&S ModNegligence $147
08/24/2023 56.18002(a) S&S ModNegligence $376
03/21/2023 56.14100(b) Non-S&S ModNegligence $143
03/21/2023 56.14107(a) S&S ModNegligence $606
11/09/2021 56.14208(b) Non-S&S ModNegligence $355
11/09/2021 56.14107(a) S&S ModNegligence $791
11/09/2021 56.17001 S&S ModNegligence $791
10/14/2020 56.4201(a)(1) Non-S&S ModNegligence $125
10/14/2020 56.16006 Non-S&S ModNegligence $125
10/14/2020 56.4101 Non-S&S ModNegligence $125
10/14/2020 56.9300(b) S&S ModNegligence $302
10/14/2020 46.5(a) S&S HighNegligence $2,692
10/14/2020 46.3(a) Non-S&S HighNegligence $220

Accidents & Injuries

View all 1 →
Date Classification Injury Days Lost
04/08/2025 HANDLING OF MATERIALS PERM TOT OR PERM PRTL DISABLTY None

Inspections

View all 17 →
Begin End Hours Inspectors
03/03/2026 0.00 0
06/25/2025 07/15/2025 31.25 1
01/17/2025 01/17/2025 13.00 1
09/13/2024 09/13/2024 1.00 1
07/23/2024 07/24/2024 19.50 1
03/07/2024 03/09/2024 26.00 1
08/23/2023 08/25/2023 16.50 1
03/21/2023 03/21/2023 10.00 1
04/26/2022 04/29/2022 21.50 1
12/20/2021 12/20/2021 5.00 1

Mine Details

MSHA Mine ID4801841
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees5
Days/Week5.0
Hours/Shift8.0
Coordinates41.7913890, -110.5383330
Nearest TownKemmerer

Frequently Asked Questions

How many MSHA violations does Cumberland Gap Hearthstone Inc. have?

Cumberland Gap Hearthstone Inc. has 28 MSHA violations on record, of which 10 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $9K.

What type of mine is Cumberland Gap Hearthstone Inc.?

Cumberland Gap Hearthstone Inc. is a Surface mine producing SandAndGravel, located in Kemmerer, Lincoln County, WY. It currently has 5 employees.

Has anyone been injured or killed at Cumberland Gap Hearthstone Inc.?

According to MSHA records, Cumberland Gap Hearthstone Inc. has 1 reported accident/injury records and 0 fatalities on file.

Who operates Cumberland Gap Hearthstone Inc.?

Cumberland Gap Hearthstone Inc. is operated by Cumberland Gap Hearthstone Inc. and controlled by Lee John Challinor; Brian Dean Challinor. MSHA Mine ID: 4801841.