Key Takeaway

Cain Ranch Aggregate Quarry is a intermittent surface mine producing SandAndGravel, located in Lee Vining, Mono County, CA. It has 46 violations on record (10 S&S) and $7K in proposed penalties. Operated by Marzano & Sons General Engineering Contractors Inc.

Cain Ranch Aggregate Quarry

Intermittent Surface SandAndGravel

Operator: Marzano & Sons General Engineering Contractors Inc

Controller: Betty Marzano

Location: Lee Vining, Mono County, CA

Employees: 6

46
Violations
10
S&S Violations
0
Accidents
$7K
Penalties

Recent Violations

View all 46 →
Date Section S&S Negligence Penalty
09/04/2024 56.14112(b) Non-S&S ModNegligence $147
09/04/2024 56.11001 Non-S&S ModNegligence $147
09/13/2023 56.14101(a)(2) Non-S&S ModNegligence $143
08/19/2022 56.14100(b) Non-S&S LowNegligence $133
09/14/2021 56.14101(a)(2) S&S ModNegligence $302
09/13/2021 56.14100(c) Non-S&S ModNegligence $125
08/29/2019 50.30(a) Non-S&S ModNegligence $121
08/29/2019 56.4200(b)(1) Non-S&S ModNegligence $121
04/24/2018 47.44(b) Non-S&S LowNegligence $118
04/24/2018 46.3(b) Non-S&S LowNegligence $118
10/18/2016 56.9300(b) S&S ModNegligence $276
10/18/2016 56.18002(a) Non-S&S LowNegligence $114
10/18/2016 46.7(a) S&S LowNegligence $127
10/18/2016 56.12002 Non-S&S LowNegligence $114
10/18/2016 56.12002 S&S ModNegligence $276
05/04/2016 56.18002(a) Non-S&S LowNegligence $100
05/03/2016 56.14107(a) S&S LowNegligence $100
05/03/2016 56.11001 Non-S&S ModNegligence $100
05/03/2016 56.12013(b) Non-S&S ModNegligence $100
08/06/2015 56.14103(b) Non-S&S HighNegligence $100

Inspections

View all 31 →
Begin End Hours Inspectors
07/15/2025 07/15/2025 9.50 1
09/03/2024 09/04/2024 15.50 1
09/25/2023 09/25/2023 8.00 1
09/13/2023 09/13/2023 9.75 1
08/19/2022 08/19/2022 9.25 1
09/13/2021 09/17/2021 31.00 1
06/15/2020 06/17/2020 8.75 1
08/26/2019 09/03/2019 14.00 1
04/24/2018 04/24/2018 21.25 1
10/25/2016 10/25/2016 10.75 1

Mine Details

MSHA Mine ID0405218
Mine TypeSurface
StatusIntermittent
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees6
Days/Week5.0
Hours/Shift8.0
Coordinates37.7541670, -119.0691670
Nearest TownLee Vining

Frequently Asked Questions

How many MSHA violations does Cain Ranch Aggregate Quarry have?

Cain Ranch Aggregate Quarry has 46 MSHA violations on record, of which 10 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $7K.

What type of mine is Cain Ranch Aggregate Quarry?

Cain Ranch Aggregate Quarry is a Surface mine producing SandAndGravel, located in Lee Vining, Mono County, CA. It currently has 6 employees.

Has anyone been injured or killed at Cain Ranch Aggregate Quarry?

According to MSHA records, Cain Ranch Aggregate Quarry has 0 reported accident/injury records and 0 fatalities on file.

Who operates Cain Ranch Aggregate Quarry?

Cain Ranch Aggregate Quarry is operated by Marzano & Sons General Engineering Contractors Inc and controlled by Betty Marzano. MSHA Mine ID: 0405218.