# Relationship history for MSHA mine 0504241

Current hierarchy: **Leon C  Moores; Vernon C  Moores → Moores Mining LLC → Moores Pit**

- 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

- **operator_operates_mine:** Hi River Construction & Gravel → Moores Pit; 1987-07-01 to 1996-06-10; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Urban  et al → Moores Pit; 1987-07-01 to 1996-06-10; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Urban  et al → Hi River Construction & Gravel; 1987-07-01 to 1996-06-10; source msha-controller-operator-history
- **operator_operates_mine:** Moores Mining Ranching & Sawmill → Moores Pit; 1996-06-11 to 2009-04-27; source msha-controller-operator-history
- **controller_controls_mine:** Moores Jean-Craig & Leon → Moores Pit; 1996-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Moores Jean-Craig & Leon → Moores Mining Ranching & Sawmill; 1996-06-11 to 2009-04-27; source msha-controller-operator-history
- **operator_operates_mine:** Moores Mining LLC → Moores Pit; 2009-04-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Vernon C  Moores et al → Moores Pit; 2009-04-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vernon C  Moores et al → Moores Mining LLC; 2009-04-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Leon C  Moores et al → Moores Mining LLC; 2009-04-28 to current/open; source msha-controller-operator-history