# Relationship history for MSHA mine 4608636

Current hierarchy: **Sev.en Global Investments a.s. → Hampden Coal LLC → No. 2**

- 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:** Bruce  Burgess → No. 2; 1988-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James E  Stump et al → No. 2; 1993-10-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** R J Mining Inc → No. 2; 1997-04-01 to 1998-05-10; source msha-controller-operator-history
- **controller_controls_operator:** James E  Stump et al → R J Mining Inc; 1997-04-01 to 1998-05-10; source msha-controller-operator-history
- **controller_controls_operator:** Randall  Stump et al → R J Mining Inc; 1997-04-01 to 1998-05-10; source msha-controller-operator-history
- **operator_operates_mine:** Daniels Branch Coal Company Inc → No. 2; 1998-05-11 to 2002-06-16; source msha-controller-operator-history
- **controller_controls_operator:** Bruce  Burgess → Daniels Branch Coal Company Inc; 1998-05-11 to 2002-06-16; source msha-controller-operator-history
- **controller_controls_mine:** International Industries Inc → No. 2; 1999-06-01 to 2007-07-15; source msha-controller-operator-history
- **operator_operates_mine:** Rockhouse Creek Development LLC → No. 2; 2002-06-17 to 2014-08-31; source msha-controller-operator-history
- **controller_controls_operator:** International Industries Inc → Rockhouse Creek Development LLC; 2002-06-17 to 2007-07-15; source msha-controller-operator-history
- **controller_controls_mine:** International Resources LLC → No. 2; 2007-07-16 to 2011-04-17; source msha-controller-operator-history
- **controller_controls_operator:** International Resources LLC → Rockhouse Creek Development LLC; 2007-07-16 to 2011-04-17; source msha-controller-operator-history
- **controller_controls_mine:** James River Coal Company → No. 2; 2011-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → Rockhouse Creek Development LLC; 2011-04-18 to 2014-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Hampden Coal LLC → No. 2; 2014-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Blackhawk Mining LLC → No. 2; 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. → No. 2; 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 current/open; source msha-controller-operator-history