Bison No 1
Active
Surface
Stone
Operator: Bison Materials LLC
Controller: Spencer Gene Hopper; Lucas Hopper
Location: Dewey, Washington County, OK
Employees: 11
183
Violations
45
S&S Violations
4
Accidents
$322K
Penalties
Recent Violations
View all 183 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/25/2025 | 56.14132(a) | Non-S&S | LowNegligence | $151 |
| 11/25/2025 | 56.9300(b) | Non-S&S | ModNegligence | $151 |
| 11/25/2025 | 56.12018 | Non-S&S | LowNegligence | $151 |
| 11/24/2025 | 56.16006 | Non-S&S | LowNegligence | $151 |
| 07/15/2025 | 56.14205 | S&S | ModNegligence | $151 |
| 05/06/2025 | 56.12004 | Non-S&S | ModNegligence | $697 |
| 05/06/2025 | 56.14107(a) | Non-S&S | ModNegligence | $313 |
| 05/06/2025 | 56.14132(a) | Non-S&S | ModNegligence | $697 |
| 05/06/2025 | 56.14130(g) | S&S | ModNegligence | $1,037 |
| 02/04/2025 | 50.20(a) | Non-S&S | HighNegligence | $151 |
| 01/14/2025 | 56.15004 | S&S | LowNegligence | $245 |
| 01/14/2025 | 56.4430(b)(3) | Non-S&S | ModNegligence | $151 |
| 09/12/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 09/11/2024 | 56.14132(a) | Non-S&S | ModNegligence | $147 |
| 09/11/2024 | 56.11001 | Non-S&S | ModNegligence | $147 |
| 03/18/2024 | 56.12018 | Non-S&S | LowNegligence | $147 |
| 03/18/2024 | 56.12008 | Non-S&S | LowNegligence | $147 |
| 01/18/2024 | 56.18002(a) | S&S | HighNegligence | $1,098 |
| 01/18/2024 | 56.18002(b) | Non-S&S | ModNegligence | $147 |
| 01/18/2024 | 46.9(a) | Non-S&S | HighNegligence | $147 |
Accidents & Injuries
View all 4 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/10/2025 | MACHINERY | DYS AWY FRM WRK & RESTRCTD ACT | 12d lost, 6d restricted |
| 11/11/2024 | STEPPING OR KNEELING ON OBJECT | DAYS AWAY FROM WORK ONLY | 57d lost |
| 12/14/2023 | MACHINERY | FATALITY | Fatal |
| 07/22/2019 | POWERED HAULAGE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 44 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/24/2025 | 11/26/2025 | 26.75 | 1 |
| 07/11/2025 | 07/17/2025 | 31.75 | 2 |
| 05/12/2025 | 05/12/2025 | 7.00 | 1 |
| 05/05/2025 | 05/07/2025 | 12.75 | 1 |
| 05/02/2025 | 05/02/2025 | 2.00 | 1 |
| 01/13/2025 | 01/15/2025 | 14.00 | 1 |
| 09/11/2024 | 09/12/2024 | 14.25 | 1 |
| 03/17/2024 | 03/20/2024 | 20.50 | 1 |
| 12/14/2023 | 07/17/2024 | 172.50 | 2 |
| 12/14/2023 | 07/18/2024 | 6.25 | 1 |
Mine Details
MSHA Mine ID3402093
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees11
Days/Week5.0
Hours/Shift10.0
Coordinates36.7861110, -95.9250000
Nearest TownDewey
Related Mines
Dewey Quarry
Dewey, Washington County, OK
73 violations
Abandoned
Portable #2 Plant 1400
Dewey, Washington County, OK
47 violations
Active
Bartlesville Quarry
Bartlesville, Washington County, OK
42 violations
Intermittent
CSTI-BARTLESVILLE ROCK QUARRY
Bartlesville, Washington County, OK
15 violations
Abandoned
Duffield Quarry No 1
Washington County, OK
0 violations
Abandoned
#7 Dewey
Washington County, OK
0 violations
Abandoned
Shale Pit
Washington County, OK
0 violations
Abandoned
Lucas Shale Pit
Washington County, OK
0 violations
Abandoned
Frequently Asked Questions
How many MSHA violations does Bison No 1 have?
Bison No 1 has 183 MSHA violations on record, of which 45 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $322K.
What type of mine is Bison No 1?
Bison No 1 is a Surface mine producing Stone, located in Dewey, Washington County, OK. It currently has 11 employees.
Has anyone been injured or killed at Bison No 1?
According to MSHA records, Bison No 1 has 4 reported accident/injury records and 1 fatalities on file.
Who operates Bison No 1?
Bison No 1 is operated by Bison Materials LLC and controlled by Spencer Gene Hopper; Lucas Hopper. MSHA Mine ID: 3402093.