# Relationship history for MSHA mine 1519302

Current hierarchy: **James River Coal Company → James River Coal Service Company → Laurel Fork Surface**

- 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:** Clearwater Natural Resources LP → Laurel Fork Surface; 2005-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James River Coal Company → Laurel Fork Surface; 2006-01-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Miller Bros Coal LLC → Laurel Fork Surface; 2008-09-03 to 2010-01-12; source msha-controller-operator-history
- **controller_controls_operator:** Clearwater Natural Resources LP → Miller Bros Coal LLC; 2008-09-03 to 2010-01-12; source msha-controller-operator-history
- **operator_operates_mine:** Laurel Mountain Resources, LLC → Laurel Fork Surface; 2010-01-13 to 2011-04-17; source msha-controller-operator-history
- **controller_controls_mine:** International Resources LLC → Laurel Fork Surface; 2010-01-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** International Resources LLC → Laurel Mountain Resources, LLC; 2010-01-13 to 2011-04-17; source msha-controller-operator-history
- **operator_operates_mine:** James River Coal Service Company → Laurel Fork Surface; 2011-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → James River Coal Service Company; 2011-04-18 to current/open; source msha-controller-operator-history