# Relationship history for MSHA mine 1518816

Current hierarchy: **Roger L  Kirk; J T  Stephens → Meadow Fork Mining Co LLC → #1**

- 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:** Meadow Fork Mining Co LLC → #1; 2004-10-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** J T  Stephens et al → #1; 2004-10-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J T  Stephens et al → Meadow Fork Mining Co LLC; 2004-10-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger L  Kirk et al → Meadow Fork Mining Co LLC; 2004-10-28 to current/open; source msha-controller-operator-history