# Relationship history for MSHA mine 1202316

Current hierarchy: **James River Coal Company → Triad Underground Mining, L.L.C. → Freelandville Underground**

- 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:** Triad Underground Mining, L.L.C. → Freelandville Underground; 2001-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeff  Sermersheim → Freelandville Underground; 2001-10-02 to 2005-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Sermersheim → Triad Underground Mining, L.L.C.; 2001-10-02 to 2005-05-31; source msha-controller-operator-history
- **controller_controls_mine:** James River Coal Company → Freelandville Underground; 2005-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → Triad Underground Mining, L.L.C.; 2005-06-01 to current/open; source msha-controller-operator-history