# Relationship history for MSHA mine 1502410

Current hierarchy: **Amon L  Mahon → Island Fork Construction Ltd → No 8**

- 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:** Canada Coal Company Inc → No 8; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Deskins Branch Coal Company → No 8; 1950-01-01 to 1974-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Ramey Ramond → No 8; 1950-01-01 to 1977-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Ramey Ramond → Deskins Branch Coal Company; 1950-01-01 to 1974-08-01; source msha-controller-operator-history
- **operator_operates_mine:** Canada Coal Company Inc → No 8; 1974-08-02 to 1993-03-04; source msha-controller-operator-history
- **controller_controls_operator:** Canada Coal Company Inc → Canada Coal Company Inc; 1974-08-02 to 1993-03-04; source msha-controller-operator-history
- **controller_controls_mine:** Larry  Phillips → No 8; 1987-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Carl  Kirk et al → No 8; 1988-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eclipse Collieries Inc → No 8; 1993-03-05 to 1993-04-25; source msha-controller-operator-history
- **controller_controls_mine:** Infinity Coal Corp → No 8; 1993-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Infinity Coal Corp → Eclipse Collieries Inc; 1993-03-05 to 1993-04-25; source msha-controller-operator-history
- **operator_operates_mine:** Mouthcard Development Company Inc → No 8; 1993-04-26 to 1994-05-19; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Phillips → Mouthcard Development Company Inc; 1993-04-26 to 1994-05-19; source msha-controller-operator-history
- **operator_operates_mine:** Citation Resources Inc → No 8; 1994-05-20 to 1995-01-25; source msha-controller-operator-history
- **controller_controls_mine:** John  Harris → No 8; 1994-05-20 to 1995-01-25; source msha-controller-operator-history
- **controller_controls_operator:** John  Harris → Citation Resources Inc; 1994-05-20 to 1995-01-25; source msha-controller-operator-history
- **controller_controls_mine:** Amon L  Mahon → No 8; 1994-11-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** North Star Contractors Inc → No 8; 1995-01-26 to 1996-08-06; source msha-controller-operator-history
- **controller_controls_operator:** Carl  Kirk et al → North Star Contractors Inc; 1995-01-26 to 1996-08-06; source msha-controller-operator-history
- **operator_operates_mine:** Island Fork Construction Ltd → No 8; 1996-08-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Amon L  Mahon → Island Fork Construction Ltd; 1996-08-07 to current/open; source msha-controller-operator-history