# Relationship history for MSHA mine 0102657

Current hierarchy: **Timothy L  McCoy → Alabama Land & Mineral Corp → Hope Galloway**

- 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:** Costain Group PLC → Hope Galloway; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Costain Coal Inc → Hope Galloway; 1985-11-01 to 1992-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Costain Group PLC → Costain Coal Inc; 1985-11-01 to 1992-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Rand S  Clark → Hope Galloway; 1991-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** R C Enterprises → Hope Galloway; 1993-01-01 to 1994-03-20; source msha-controller-operator-history
- **controller_controls_operator:** Rand S  Clark → R C Enterprises; 1993-01-01 to 1994-03-20; source msha-controller-operator-history
- **operator_operates_mine:** Costain Coal Inc → Hope Galloway; 1994-03-21 to 1996-01-01; source msha-controller-operator-history
- **controller_controls_operator:** Costain Group PLC → Costain Coal Inc; 1994-03-21 to 1996-01-01; source msha-controller-operator-history
- **operator_operates_mine:** Alabama Land & Mineral Corp → Hope Galloway; 1996-01-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Timothy L  McCoy → Hope Galloway; 1996-01-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy L  McCoy → Alabama Land & Mineral Corp; 1996-01-02 to current/open; source msha-controller-operator-history