# Relationship history for MSHA mine 4607818

Current hierarchy: **Muncy Lorene → H & L Leasing Inc → Mine No 42**

- 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

- **controller_controls_mine:** Paris  Meadows et al → Mine No 42; 1988-04-05 to 1991-10-10; source msha-controller-operator-history
- **operator_operates_mine:** M & A Mining Inc → Mine No 42; 1989-12-01 to 1991-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Paris  Meadows et al → M & A Mining Inc; 1989-12-01 to 1991-09-30; source msha-controller-operator-history
- **operator_operates_mine:** H & L Leasing Inc → Mine No 42; 1991-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Muncy Lorene → Mine No 42; 1991-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Muncy Lorene → H & L Leasing Inc; 1991-10-01 to current/open; source msha-controller-operator-history