Key Takeaway

Leucite Mine #11 is a intermittent surface mine producing Stone, located in Superior, Sweetwater County, WY. It has 63 violations on record (19 S&S) and $18K in proposed penalties. Operated by Searle Bros. Construction Company.

Leucite Mine #11

Intermittent Surface Stone

Operator: Searle Bros. Construction Company

Controller: Nellie Searle

Location: Superior, Sweetwater County, WY

Employees: 2

63
Violations
19
S&S Violations
1
Accidents
$18K
Penalties

Recent Violations

View all 63 →
Date Section S&S Negligence Penalty
12/16/2025 46.9(b)(5) Non-S&S ModNegligence $151
12/16/2025 56.9300(a) S&S ModNegligence $165
12/16/2025 56.14100(a) Non-S&S ModNegligence $151
04/09/2025 56.9300(a) Non-S&S ModNegligence $151
03/28/2024 56.18002(b) Non-S&S ModNegligence $147
03/28/2024 56.4201(a)(2) Non-S&S ModNegligence $147
06/29/2023 56.4201(a)(1) Non-S&S ModNegligence $143
10/03/2019 56.11001 Non-S&S ModNegligence $121
07/26/2018 56.12028 Non-S&S ModNegligence $118
01/13/2016 56.14112(b) S&S ModNegligence $117
01/13/2016 56.14100(b) Non-S&S LowNegligence $100
01/13/2016 56.4201(a)(2) Non-S&S ModNegligence $100
01/13/2016 56.14100(b) Non-S&S ModNegligence $100
01/13/2016 56.16005 Non-S&S ModNegligence $100
01/13/2016 56.15001 Non-S&S ModNegligence $100
03/09/2015 56.4201(a)(2) Non-S&S ModNegligence $100
01/23/2015 56.14105 S&S HighNegligence $2,000
01/22/2015 Non-S&S $0
07/01/2013 57.14107(a) S&S ModNegligence $1,203
07/01/2013 56.14107(a) S&S ModNegligence $1,203

Accidents & Injuries

View all 1 →
Date Classification Injury Days Lost
01/22/2015 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 82d lost

Inspections

View all 48 →
Begin End Hours Inspectors
12/16/2025 12/23/2025 20.00 2
04/09/2025 04/14/2025 10.50 1
03/28/2024 04/02/2024 5.50 1
07/03/2023 07/03/2023 3.50 1
06/29/2023 06/29/2023 7.00 1
05/17/2023 05/17/2023 4.00 1
03/15/2022 03/15/2022 8.00 1
03/31/2021 03/31/2021 8.00 1
03/04/2021 03/04/2021 1.00 1
10/03/2019 10/17/2019 25.00 1

Mine Details

MSHA Mine ID4801573
Mine TypeSurface
StatusIntermittent
CommodityStone
SIC DescriptionCrushed, Broken Stone NEC
Employees2
Days/Week5.0
Hours/Shift10.0
Coordinates41.5875000, -109.2027780
Nearest TownSuperior

Frequently Asked Questions

How many MSHA violations does Leucite Mine #11 have?

Leucite Mine #11 has 63 MSHA violations on record, of which 19 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $18K.

What type of mine is Leucite Mine #11?

Leucite Mine #11 is a Surface mine producing Stone, located in Superior, Sweetwater County, WY. It currently has 2 employees.

Has anyone been injured or killed at Leucite Mine #11?

According to MSHA records, Leucite Mine #11 has 1 reported accident/injury records and 0 fatalities on file.

Who operates Leucite Mine #11?

Leucite Mine #11 is operated by Searle Bros. Construction Company and controlled by Nellie Searle. MSHA Mine ID: 4801573.