# Relationship history for MSHA mine 1508255

Current hierarchy: **Jack  Fannin → Jamboree Coals Inc → No 2**

- 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:** General Energy Corp → No 2; 1950-01-01 to 1982-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Johns Barry Et Al → No 2; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Old South Mining Company Inc → No 2; 1975-01-01 to 1980-03-03; source msha-controller-operator-history
- **controller_controls_operator:** Johns Barry Et Al → Old South Mining Company Inc; 1975-01-01 to 1980-03-03; source msha-controller-operator-history
- **operator_operates_mine:** Mc Coy Elkhorn Coal Corp → No 2; 1980-03-04 to 1982-04-29; source msha-controller-operator-history
- **controller_controls_operator:** General Energy Corp → Mc Coy Elkhorn Coal Corp; 1980-03-04 to 1982-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Williams Companies Inc → No 2; 1982-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mc Coy Elkhorn Coal Corp → No 2; 1982-04-30 to 1987-06-09; source msha-controller-operator-history
- **controller_controls_operator:** Williams Companies Inc → Mc Coy Elkhorn Coal Corp; 1982-04-30 to 1987-06-09; source msha-controller-operator-history
- **controller_controls_mine:** Jack  Fannin et al → No 2; 1985-04-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jamboree Coals Inc → No 2; 1987-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Fannin et al → Jamboree Coals Inc; 1987-06-10 to current/open; source msha-controller-operator-history