Key Takeaway

Power River Rock is a intermittent surface mine producing SandAndGravel, located in Sumpter, Baker County, OR. It has 0 violations on record (0 S&S) and $0 in proposed penalties. Operated by Patterson Investment Properties, LLC.

Power River Rock

Intermittent Surface SandAndGravel

Operator: Patterson Investment Properties, LLC

Controller: Jon Patterson

Location: Sumpter, Baker County, OR

Employees: 1

0
Violations
0
S&S Violations
0
Accidents
$0
Penalties

Inspections

View all 3 →
Begin End Hours Inspectors
07/16/2025 07/16/2025 2.00 1
09/11/2023 09/12/2023 9.00 1
08/09/2022 08/09/2022 9.50 1

Mine Details

MSHA Mine ID3503933
Mine TypeSurface
StatusIntermittent
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees1
Days/Week2.0
Hours/Shift5.0
Coordinates44.7363890, -118.2011110
Nearest TownSumpter

Frequently Asked Questions

How many MSHA violations does Power River Rock have?

Power River Rock has 0 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $0.

What type of mine is Power River Rock?

Power River Rock is a Surface mine producing SandAndGravel, located in Sumpter, Baker County, OR. It currently has 1 employees.

Has anyone been injured or killed at Power River Rock?

According to MSHA records, Power River Rock has 0 reported accident/injury records and 0 fatalities on file.

Who operates Power River Rock?

Power River Rock is operated by Patterson Investment Properties, LLC and controlled by Jon Patterson. MSHA Mine ID: 3503933.