# Relationship history for MSHA mine 1519132

Current hierarchy: **Jesse R  Sizemore; Amy R  Sizemore → Black Mountain Resources LLC → Phantom**

- 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:** James River Coal Company → Phantom; 1995-06-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bledsoe Coal Corporation → Phantom; 2007-08-30 to 2019-12-04; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → Bledsoe Coal Corporation; 2007-08-30 to 2019-12-04; source msha-controller-operator-history
- **controller_controls_mine:** Amy R  Sizemore et al → Phantom; 2019-07-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Black Mountain Resources LLC → Phantom; 2019-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Amy R  Sizemore et al → Black Mountain Resources LLC; 2019-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jesse R  Sizemore et al → Black Mountain Resources LLC; 2019-12-05 to current/open; source msha-controller-operator-history