Belle/Colony Mine

Active Surface Nonmetal

Operator: American Colloid Company

Controller: Minerals Technologies Inc

Location: Colony, Crook County, WY

Employees: 77

235
Violations
30
S&S Violations
85
Accidents
$48K
Penalties

Recent Violations

View all 235 →
Date Section S&S Negligence Penalty
08/26/2025 56.14116(a) Non-S&S LowNegligence $151
08/26/2025 56.14100(b) Non-S&S ModNegligence $151
08/26/2025 56.12030 Non-S&S LowNegligence $151
08/26/2025 56.14207 Non-S&S LowNegligence $151
08/26/2025 56.14132(a) Non-S&S LowNegligence $151
08/20/2025 46.9(a) Non-S&S ModNegligence $151
08/20/2025 56.12008 Non-S&S ModNegligence $151
08/20/2025 56.14101(a)(3) Non-S&S ModNegligence $151
08/20/2025 56.14103(b) Non-S&S ModNegligence $151
08/20/2025 56.4201(a)(2) Non-S&S LowNegligence $151
08/19/2025 56.12013(b) Non-S&S ModNegligence $165
08/19/2025 56.4402 Non-S&S LowNegligence $151
07/28/2025 56.9101 S&S LowNegligence $1,320
03/13/2025 56.14130(i) S&S ModNegligence $1,037
03/11/2025 56.12030 Non-S&S ModNegligence $151
03/10/2025 56.12030 Non-S&S ModNegligence $151
03/10/2025 56.14207 Non-S&S ModNegligence $151
03/10/2025 56.12030 Non-S&S ModNegligence $151
03/10/2025 56.4201(a)(1) Non-S&S ModNegligence $151
03/10/2025 56.12025 Non-S&S ModNegligence $177

Accidents & Injuries

View all 85 →
Date Classification Injury Days Lost
10/21/2025 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 21d restricted
07/28/2025 POWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 9d restricted
07/23/2025 MACHINERY DAYS AWAY FROM WORK ONLY None
03/13/2025 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 125d lost, 70d restricted
02/10/2025 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 4d restricted
12/03/2024 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 49d lost, 65d restricted
05/17/2024 POWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 6d restricted
02/17/2024 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 8d lost, 51d restricted
01/04/2024 EXPLODING VESSELS UNDER PRESSURE NO DYS AWY FRM WRK,NO RSTR ACT None
08/30/2023 POWERED HAULAGE ALL OTHER CASES (INCL 1ST AID) None

Inspections

View all 74 →
Begin End Hours Inspectors
12/03/2025 12/17/2025 40.00 1
08/13/2025 09/03/2025 68.50 3
03/10/2025 03/27/2025 64.00 2
05/22/2024 05/22/2024 5.50 1
05/02/2024 06/13/2024 90.50 1
02/17/2024 02/26/2024 14.50 1
12/18/2023 12/19/2023 18.00 1
11/27/2023 12/15/2023 88.50 1
09/05/2023 09/14/2023 37.00 1
05/17/2023 05/17/2023 1.25 1

Mine Details

MSHA Mine ID4800888
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionBentonite
Employees77
Days/Week5.0
Hours/Shift12.0
Coordinates44.7102780, -103.8997220
Nearest TownColony

Frequently Asked Questions

How many MSHA violations does Belle/Colony Mine have?

Belle/Colony Mine has 235 MSHA violations on record, of which 30 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $48K.

What type of mine is Belle/Colony Mine?

Belle/Colony Mine is a Surface mine producing Nonmetal, located in Colony, Crook County, WY. It currently has 77 employees.

Has anyone been injured or killed at Belle/Colony Mine?

According to MSHA records, Belle/Colony Mine has 85 reported accident/injury records and 0 fatalities on file.

Who operates Belle/Colony Mine?

Belle/Colony Mine is operated by American Colloid Company and controlled by Minerals Technologies Inc. MSHA Mine ID: 4800888.