# Relationship history for MSHA mine 4406700

Current hierarchy: **Steve  Moore → Beardog Coal Company Inc → #1 Mine**

- 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:** (Donald) Todd  Kiscaden et al → #1 Mine; 1992-02-07 to 1995-05-18; source msha-controller-operator-history
- **operator_operates_mine:** Woody Hollow Mining Company Inc → #1 Mine; 1992-06-01 to 1993-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Thomas V  Cooper → #1 Mine; 1992-06-01 to 1993-08-09; source msha-controller-operator-history
- **controller_controls_operator:** Thomas V  Cooper → Woody Hollow Mining Company Inc; 1992-06-01 to 1993-08-09; source msha-controller-operator-history
- **operator_operates_mine:** Trenco Coal Company Inc → #1 Mine; 1993-08-10 to 1993-11-09; source msha-controller-operator-history
- **controller_controls_mine:** James E  Trent → #1 Mine; 1993-08-10 to 1993-11-09; source msha-controller-operator-history
- **controller_controls_operator:** James E  Trent → Trenco Coal Company Inc; 1993-08-10 to 1993-11-09; source msha-controller-operator-history
- **operator_operates_mine:** Thor Coal Mining Company → #1 Mine; 1993-11-10 to 1995-01-30; source msha-controller-operator-history
- **controller_controls_mine:** Davis Jerry M Et Al → #1 Mine; 1993-11-10 to 1995-07-05; source msha-controller-operator-history
- **controller_controls_operator:** Davis Jerry M Et Al → Thor Coal Mining Company; 1993-11-10 to 1995-01-30; source msha-controller-operator-history
- **operator_operates_mine:** Black Mountain Mining Company → #1 Mine; 1995-01-31 to 1995-05-17; source msha-controller-operator-history
- **controller_controls_operator:** (Donald) Todd  Kiscaden et al → Black Mountain Mining Company; 1995-01-31 to 1995-05-17; source msha-controller-operator-history
- **operator_operates_mine:** Black Mountain Mining Company → #1 Mine; 1995-05-18 to 1996-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Jim  Reed → #1 Mine; 1995-05-18 to 1997-09-14; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Reed → Black Mountain Mining Company; 1995-05-18 to 1996-08-14; source msha-controller-operator-history
- **operator_operates_mine:** Beardog Coal Company Inc → #1 Mine; 1996-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Moore → #1 Mine; 1996-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Moore → Beardog Coal Company Inc; 1996-08-15 to current/open; source msha-controller-operator-history