# Relationship history for MSHA mine 3401061

Current hierarchy: **Kerissa  Petty etal; Seneca  Petty etal → Mayes County River Rock LLC → Mayes County River Rock LLC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Ozark Materials → Mayes County River Rock LLC; 1950-01-01 to 1990-01-28; source msha-controller-operator-history
- **controller_controls_mine:** Lewis D Morehead → Mayes County River Rock LLC; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lewis D Morehead → Ozark Materials; 1950-01-01 to 1990-01-28; source msha-controller-operator-history
- **operator_operates_mine:** Ozark Materials → Mayes County River Rock LLC; 1990-01-29 to 1994-01-18; source msha-controller-operator-history
- **controller_controls_mine:** Amos  Perkins → Mayes County River Rock LLC; 1990-01-29 to 1994-01-18; source msha-controller-operator-history
- **controller_controls_operator:** Amos  Perkins → Ozark Materials; 1990-01-29 to 1994-01-18; source msha-controller-operator-history
- **operator_operates_mine:** Ozark Materials → Mayes County River Rock LLC; 1994-01-19 to 2021-04-28; source msha-controller-operator-history
- **controller_controls_mine:** Brad  Eastman → Mayes County River Rock LLC; 1994-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brad  Eastman → Ozark Materials; 1994-01-19 to 2021-04-28; source msha-controller-operator-history
- **operator_operates_mine:** Mayes County River Rock LLC → Mayes County River Rock LLC; 2021-04-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Seneca  Petty etal → Mayes County River Rock LLC; 2021-04-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Seneca  Petty etal → Mayes County River Rock LLC; 2021-04-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kerissa  Petty etal → Mayes County River Rock LLC; 2021-04-29 to current/open; source msha-controller-operator-history