# Relationship history for MSHA mine 4000239

Current hierarchy: **Johnson John H → J J Mining Inc → Mine 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:** Gillentine Fred & Scotty Boldin → Mine No 2; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** L & L Coal Company → Mine No 2; 1950-01-01 to 1973-03-06; source msha-controller-operator-history
- **controller_controls_mine:** Long William H Et Al → Mine No 2; 1950-01-01 to 1973-03-06; source msha-controller-operator-history
- **controller_controls_operator:** Long William H Et Al → L & L Coal Company; 1950-01-01 to 1973-03-06; source msha-controller-operator-history
- **operator_operates_mine:** G & B Coal Company Inc → Mine No 2; 1973-03-07 to 1974-08-28; source msha-controller-operator-history
- **controller_controls_operator:** Gillentine Fred & Scotty Boldin → G & B Coal Company Inc; 1973-03-07 to 1974-08-28; source msha-controller-operator-history
- **operator_operates_mine:** Pilot Mountain Coal Company → Mine No 2; 1974-08-29 to 1976-10-07; source msha-controller-operator-history
- **controller_controls_mine:** Goans Johnny → Mine No 2; 1974-08-29 to 1976-10-07; source msha-controller-operator-history
- **controller_controls_operator:** Goans Johnny → Pilot Mountain Coal Company; 1974-08-29 to 1976-10-07; source msha-controller-operator-history
- **controller_controls_mine:** Chambers James F → Mine No 2; 1975-12-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Flatwood Coal Company & Sales → Mine No 2; 1976-10-08 to 1976-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Braden Charles E & Johnny E Goins → Mine No 2; 1976-10-08 to 1976-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Braden Charles E & Johnny E Goins → Flatwood Coal Company & Sales; 1976-10-08 to 1976-11-08; source msha-controller-operator-history
- **operator_operates_mine:** Piedmont Mining Company Inc → Mine No 2; 1976-11-09 to 1978-04-12; source msha-controller-operator-history
- **controller_controls_operator:** Chambers James F → Piedmont Mining Company Inc; 1976-11-09 to 1978-04-12; source msha-controller-operator-history
- **operator_operates_mine:** B & M Coal Company Inc → Mine No 2; 1978-04-13 to 1978-12-06; source msha-controller-operator-history
- **controller_controls_mine:** Morgan Roy A → Mine No 2; 1978-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Morgan Roy A → B & M Coal Company Inc; 1978-04-13 to 1978-12-06; source msha-controller-operator-history
- **operator_operates_mine:** Piedmont Mining Company → Mine No 2; 1978-12-07 to 1981-09-17; source msha-controller-operator-history
- **controller_controls_mine:** Hensley Willie N → Mine No 2; 1978-12-07 to 1981-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Hensley Willie N → Piedmont Mining Company; 1978-12-07 to 1981-09-17; source msha-controller-operator-history
- **controller_controls_mine:** Johnson John H Et Al → Mine No 2; 1980-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J J Mining Inc → Mine No 2; 1981-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Johnson John H Et Al → J J Mining Inc; 1981-09-18 to current/open; source msha-controller-operator-history