# Relationship history for MSHA mine 4608312

Current hierarchy: **David Michael  Jamison; Petri E Koivula → Reflectance Energy LLC → Mingo No 3**

- 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:** International Industries Inc → Mingo No 3; 1987-11-01 to 2011-04-17; source msha-controller-operator-history
- **operator_operates_mine:** Hampden Coal Company LLC → Mingo No 3; 1993-06-01 to 2014-08-31; source msha-controller-operator-history
- **controller_controls_operator:** International Industries Inc → Hampden Coal Company LLC; 1993-06-01 to 2011-04-17; source msha-controller-operator-history
- **controller_controls_mine:** James River Coal Company → Mingo No 3; 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 Company LLC → Mingo No 3; 2014-09-01 to 2023-05-02; source msha-controller-operator-history
- **controller_controls_mine:** Blackhawk Mining LLC → Mingo No 3; 2014-09-01 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Blackhawk Mining LLC → Hampden Coal Company LLC; 2014-09-01 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Sev.en Global Investments a.s. → Mingo No 3; 2020-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sev.en Global Investments a.s. → Hampden Coal Company LLC; 2020-06-01 to 2023-05-02; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Kiscaden → Mingo No 3; 2021-08-31 to 2025-10-02; source msha-controller-operator-history
- **operator_operates_mine:** Reflectance Energy LLC → Mingo No 3; 2023-05-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Kiscaden → Reflectance Energy LLC; 2023-05-03 to 2025-10-02; source msha-controller-operator-history
- **controller_controls_mine:** Petri E Koivula et al → Mingo No 3; 2025-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula et al → Reflectance Energy LLC; 2025-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David Michael  Jamison et al → Reflectance Energy LLC; 2025-10-03 to current/open; source msha-controller-operator-history