# Relationship history for MSHA mine 4603935

Current hierarchy: **Faine James R → Metro Mining Company Inc → Mine No 12-C**

- 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:** Chafin John C Sr → Mine No 12-C; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dickenson Carl J → Mine No 12-C; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Laura Coal & Coke Company Inc → Mine No 12-C; 1973-01-01 to 1976-09-19; source msha-controller-operator-history
- **controller_controls_operator:** Dickenson Carl J → Laura Coal & Coke Company Inc; 1973-01-01 to 1976-09-19; source msha-controller-operator-history
- **operator_operates_mine:** Rich Creek Mining Company Inc → Mine No 12-C; 1976-09-20 to 1982-12-08; source msha-controller-operator-history
- **controller_controls_mine:** Harry G  Cooke et al → Mine No 12-C; 1976-09-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harry G  Cooke et al → Rich Creek Mining Company Inc; 1976-09-20 to 1982-12-08; source msha-controller-operator-history
- **controller_controls_operator:** Larry David  Cochran et al → Rich Creek Mining Company Inc; 1976-09-20 to 1982-12-08; source msha-controller-operator-history
- **operator_operates_mine:** Chafin Coal Company Inc → Mine No 12-C; 1982-12-09 to 1983-01-19; source msha-controller-operator-history
- **controller_controls_operator:** Chafin John C Sr → Chafin Coal Company Inc; 1982-12-09 to 1983-01-19; source msha-controller-operator-history
- **operator_operates_mine:** Golden Brook Mining Ltd → Mine No 12-C; 1983-01-20 to 1986-01-17; source msha-controller-operator-history
- **controller_controls_mine:** Chafin John C Jr & Arthur B Chafin → Mine No 12-C; 1983-01-20 to 1986-01-17; source msha-controller-operator-history
- **controller_controls_operator:** Chafin John C Jr & Arthur B Chafin → Golden Brook Mining Ltd; 1983-01-20 to 1986-01-17; source msha-controller-operator-history
- **operator_operates_mine:** Metro Mining Company Inc → Mine No 12-C; 1986-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Faine James R → Mine No 12-C; 1986-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Faine James R → Metro Mining Company Inc; 1986-01-18 to current/open; source msha-controller-operator-history