# Relationship history for MSHA mine 1516074

Current hierarchy: **James H  Booth → Eagle Coal Company Inc → No 1**

- 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:** Brent  Coleman et al → No 1; 1987-02-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Labrador Coal Corp → No 1; 1987-06-01 to 1989-06-26; source msha-controller-operator-history
- **controller_controls_mine:** Mapes Billy → No 1; 1987-06-01 to 1989-06-26; source msha-controller-operator-history
- **controller_controls_operator:** Mapes Billy → Labrador Coal Corp; 1987-06-01 to 1989-06-26; source msha-controller-operator-history
- **controller_controls_mine:** Dalton Marion Jr → No 1; 1989-01-25 to 1991-02-28; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → No 1; 1989-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** New Generation Inc → No 1; 1989-06-27 to 1991-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Dalton Marion Jr → New Generation Inc; 1989-06-27 to 1991-02-28; source msha-controller-operator-history
- **operator_operates_mine:** Lynx Coal Company Inc → No 1; 1991-03-01 to 1991-06-30; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Lynx Coal Company Inc; 1991-03-01 to 1991-06-30; source msha-controller-operator-history
- **operator_operates_mine:** R B M Enterprises Inc → No 1; 1991-07-01 to 1991-10-14; source msha-controller-operator-history
- **controller_controls_operator:** Brent  Coleman et al → R B M Enterprises Inc; 1991-07-01 to 1991-10-14; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Coal Company Inc → No 1; 1991-10-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → No 1; 1991-10-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Eagle Coal Company Inc; 1991-10-15 to current/open; source msha-controller-operator-history