# Relationship history for MSHA mine 4607551

Current hierarchy: **Jon  Nix → Active Resources, Inc. → Gilbert Creek Loadout**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** International Industries Inc → Gilbert Creek Loadout; 1987-11-01 to 2011-04-17; source msha-controller-operator-history
- **operator_operates_mine:** Hampden Coal Company LLC → Gilbert Creek Loadout; 1988-08-01 to 2014-08-31; source msha-controller-operator-history
- **controller_controls_operator:** International Industries Inc → Hampden Coal Company LLC; 1988-08-01 to 2011-04-17; source msha-controller-operator-history
- **controller_controls_mine:** James River Coal Company → Gilbert Creek Loadout; 2011-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → Hampden Coal Company LLC; 2011-04-18 to 2014-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Hampden Coal LLC → Gilbert Creek Loadout; 2014-09-01 to 2021-10-03; source msha-controller-operator-history
- **controller_controls_mine:** Blackhawk Mining LLC → Gilbert Creek Loadout; 2014-09-01 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Blackhawk Mining LLC → Hampden Coal LLC; 2014-09-01 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Sev.en Global Investments a.s. → Gilbert Creek Loadout; 2020-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sev.en Global Investments a.s. → Hampden Coal LLC; 2020-06-01 to 2021-10-03; source msha-controller-operator-history
- **operator_operates_mine:** Active Resources, Inc. → Gilbert Creek Loadout; 2021-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jon  Nix → Gilbert Creek Loadout; 2021-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jon  Nix → Active Resources, Inc.; 2021-10-04 to current/open; source msha-controller-operator-history