# Relationship history for MSHA mine 0100752

Current hierarchy: **Jaime S M  French → Dunn Construction Company Inc → Patton Pit Or Patton Pit & Crusher**

- 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:** Fayco Inc → Patton Pit Or Patton Pit & Crusher; 1950-01-01 to 1982-11-22; source msha-controller-operator-history
- **controller_controls_mine:** Kimbrell Fuller → Patton Pit Or Patton Pit & Crusher; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kimbrell Fuller → Fayco Inc; 1950-01-01 to 1982-11-22; source msha-controller-operator-history
- **operator_operates_mine:** Dunn Construction Company Inc → Patton Pit Or Patton Pit & Crusher; 1982-11-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jaime S M  French → Patton Pit Or Patton Pit & Crusher; 1982-11-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jaime S M  French → Dunn Construction Company Inc; 1982-11-23 to current/open; source msha-controller-operator-history