# Riverbend Sand and Gravel
> **Metal/Non-metal** mine · MSHA ID `0504841` · Surface · **Active**
## Operator
- **Controller (parent):** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials Inc
- **Employees:** 23
- **Commodity:** SandAndGravel
## Location
- **State:** CO · Weld Co.
- **Coordinates:** 40.034722, -104.811389
## Safety record
- **Total accidents/injuries:** 12
- **Fatalities:** 1
- **Total days lost:** 227
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*