# Relationship history for MSHA mine 1511324

Current hierarchy: **Runions James → Bob & Cecil Contractors 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Benjamin R.  Bennett → No 2; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Swartwood T Marshall → No 2; 1975-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Osborne E W → No 2; 1978-01-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Castle Rock Coal Company Inc → No 2; 1978-05-01 to 1979-07-08; source msha-controller-operator-history
- **controller_controls_operator:** Osborne E W → Castle Rock Coal Company Inc; 1978-05-01 to 1979-07-08; source msha-controller-operator-history
- **operator_operates_mine:** Coal Fuels Inc → No 2; 1979-07-09 to 1979-11-28; source msha-controller-operator-history
- **controller_controls_operator:** Swartwood T Marshall → Coal Fuels Inc; 1979-07-09 to 1979-11-28; source msha-controller-operator-history
- **operator_operates_mine:** Coal Fuels Company Inc → No 2; 1979-11-29 to 1982-02-22; source msha-controller-operator-history
- **controller_controls_operator:** Benjamin R.  Bennett → Coal Fuels Company Inc; 1979-11-29 to 1982-02-22; source msha-controller-operator-history
- **controller_controls_mine:** Jackson Roy Dan → No 2; 1980-03-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** U S Resources Inc → No 2; 1982-02-23 to 1984-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Trosper James & Mike Mc Clure → No 2; 1982-02-23 to 1984-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Trosper James & Mike Mc Clure → U S Resources Inc; 1982-02-23 to 1984-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Ky High Grade Coal Company Inc → No 2; 1984-02-01 to 1984-05-06; source msha-controller-operator-history
- **controller_controls_operator:** Jackson Roy Dan → Ky High Grade Coal Company Inc; 1984-02-01 to 1984-05-06; source msha-controller-operator-history
- **operator_operates_mine:** K & G Coal Company Inc → No 2; 1984-05-07 to 1985-09-02; source msha-controller-operator-history
- **controller_controls_mine:** Vandagriff Glen Doil → No 2; 1984-05-07 to 1987-05-09; source msha-controller-operator-history
- **controller_controls_operator:** Vandagriff Glen Doil → K & G Coal Company Inc; 1984-05-07 to 1985-09-02; source msha-controller-operator-history
- **controller_controls_mine:** Barry  Rogers → No 2; 1985-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal Fuels Inc → No 2; 1985-09-03 to 1987-06-09; source msha-controller-operator-history
- **controller_controls_operator:** Swartwood T Marshall → Coal Fuels Inc; 1985-09-03 to 1987-06-09; source msha-controller-operator-history
- **operator_operates_mine:** Bob & Cecil Contractors Inc → No 2; 1987-06-10 to 1993-07-29; source msha-controller-operator-history
- **controller_controls_operator:** Barry  Rogers → Bob & Cecil Contractors Inc; 1987-06-10 to 1993-07-29; source msha-controller-operator-history
- **operator_operates_mine:** Bob & Cecil Contractors Inc → No 2; 1993-07-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Runions James → No 2; 1993-07-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Runions James → Bob & Cecil Contractors Inc; 1993-07-30 to current/open; source msha-controller-operator-history