Key Takeaway

Stone Yard #1 is a intermittent surface mine producing SandAndGravel, located in Buffalo, Johnson County, WY. It has 24 violations on record (8 S&S) and $5K in proposed penalties. Operated by The Stone Yard, LLC.

Stone Yard #1

Intermittent Surface SandAndGravel

Operator: The Stone Yard, LLC

Controller: Jayne A Stone

Location: Buffalo, Johnson County, WY

Employees: 3

24
Violations
8
S&S Violations
0
Accidents
$5K
Penalties

Recent Violations

View all 24 →
Date Section S&S Negligence Penalty
12/08/2025 57.12028 Non-S&S ModNegligence $165
12/08/2025 57.14132(b)(1)(i) Non-S&S LowNegligence $151
04/01/2025 56.1000 Non-S&S HighNegligence $151
01/29/2025 50.30(a) Non-S&S ModNegligence $151
05/15/2024 56.16002(c) Non-S&S HighNegligence $147
05/15/2024 56.11001 S&S HighNegligence $1,188
05/15/2024 56.12008 Non-S&S ModNegligence $147
05/15/2024 56.12030 Non-S&S ModNegligence $147
05/15/2024 56.12030 Non-S&S ModNegligence $147
05/15/2024 56.12013(c) Non-S&S ModNegligence $147
05/15/2024 56.14206(b) Non-S&S ModNegligence $147
05/15/2024 56.12025 Non-S&S ModNegligence $147
08/02/2023 56.14100(b) S&S ModNegligence $376
08/02/2023 56.12030 S&S ModNegligence $376
09/18/2018 56.12004 S&S ModNegligence $286
09/18/2018 56.14112(b) S&S ModNegligence $128
09/18/2018 56.11001 Non-S&S ModNegligence $118
09/18/2018 56.14100(b) S&S ModNegligence $128
09/18/2018 56.20003(a) Non-S&S ModNegligence $118
06/06/2017 56.12004 S&S ModNegligence $280

Inspections

View all 25 →
Begin End Hours Inspectors
12/08/2025 12/12/2025 13.00 1
04/01/2025 04/14/2025 12.75 1
01/29/2025 01/29/2025 2.50 1
10/10/2024 10/11/2024 9.00 1
05/15/2024 05/17/2024 25.50 1
03/13/2024 03/22/2024 10.50 1
07/25/2023 08/02/2023 8.25 1
02/13/2023 03/08/2023 12.75 1
06/23/2022 06/29/2022 11.00 1
11/03/2020 11/06/2020 4.00 1

Mine Details

MSHA Mine ID4801763
Mine TypeSurface
StatusIntermittent
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees3
Days/Week5.0
Hours/Shift12.0
Coordinates43.9155560, -104.1036110
Nearest TownBuffalo

Frequently Asked Questions

How many MSHA violations does Stone Yard #1 have?

Stone Yard #1 has 24 MSHA violations on record, of which 8 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $5K.

What type of mine is Stone Yard #1?

Stone Yard #1 is a Surface mine producing SandAndGravel, located in Buffalo, Johnson County, WY. It currently has 3 employees.

Has anyone been injured or killed at Stone Yard #1?

According to MSHA records, Stone Yard #1 has 0 reported accident/injury records and 0 fatalities on file.

Who operates Stone Yard #1?

Stone Yard #1 is operated by The Stone Yard, LLC and controlled by Jayne A Stone. MSHA Mine ID: 4801763.