# Relationship history for MSHA mine 0501159

Current hierarchy: **Fitzgerald Ray F → Grand Mesa Mining Corp → PICKETT CORRAL**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Newman Eric → PICKETT CORRAL; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Andrews Mining Company → PICKETT CORRAL; 1950-01-01 to 1983-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Andrews Donald K → PICKETT CORRAL; 1950-01-01 to 1983-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Andrews Donald K → Andrews Mining Company; 1950-01-01 to 1983-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Bunker Phil → PICKETT CORRAL; 1982-12-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Minerals Recovery Corp → PICKETT CORRAL; 1983-07-01 to 1988-03-28; source msha-controller-operator-history
- **controller_controls_operator:** Newman Eric → Minerals Recovery Corp; 1983-07-01 to 1988-03-28; source msha-controller-operator-history
- **operator_operates_mine:** Phil Bunker Mining Company → PICKETT CORRAL; 1988-03-29 to 1997-07-09; source msha-controller-operator-history
- **controller_controls_operator:** Bunker Phil → Phil Bunker Mining Company; 1988-03-29 to 1997-07-09; source msha-controller-operator-history
- **operator_operates_mine:** Grand Mesa Mining Corp → PICKETT CORRAL; 1997-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fitzgerald Ray F → PICKETT CORRAL; 1997-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fitzgerald Ray F → Grand Mesa Mining Corp; 1997-07-10 to current/open; source msha-controller-operator-history