# Relationship history for MSHA mine 4604444

Current hierarchy: **Scott Frankie → Forest Hills Coal Company → Mine No 1**

- 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:** Harvey W T → Mine No 1; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Logan Coals Inc → Mine No 1; 1974-12-15 to 1976-01-15; source msha-controller-operator-history
- **controller_controls_operator:** Harvey W T → Logan Coals Inc; 1974-12-15 to 1976-01-15; source msha-controller-operator-history
- **operator_operates_mine:** Sunbeam Energy Inc → Mine No 1; 1976-01-16 to 1978-07-11; source msha-controller-operator-history
- **controller_controls_mine:** Vernon P  Ferrell → Mine No 1; 1976-01-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vernon P  Ferrell → Sunbeam Energy Inc; 1976-01-16 to 1978-07-11; source msha-controller-operator-history
- **operator_operates_mine:** Cobra Coal Company → Mine No 1; 1978-07-12 to 1979-08-20; source msha-controller-operator-history
- **controller_controls_mine:** Branham Don → Mine No 1; 1978-07-12 to 1979-08-20; source msha-controller-operator-history
- **controller_controls_operator:** Branham Don → Cobra Coal Company; 1978-07-12 to 1979-08-20; source msha-controller-operator-history
- **operator_operates_mine:** Sunbeam Energy Inc → Mine No 1; 1979-08-21 to 1981-08-23; source msha-controller-operator-history
- **controller_controls_operator:** Vernon P  Ferrell → Sunbeam Energy Inc; 1979-08-21 to 1981-08-23; source msha-controller-operator-history
- **operator_operates_mine:** Workman Mining Inc → Mine No 1; 1981-08-24 to 1982-10-03; source msha-controller-operator-history
- **controller_controls_mine:** Workman William F → Mine No 1; 1981-08-24 to 1982-10-03; source msha-controller-operator-history
- **controller_controls_operator:** Workman William F → Workman Mining Inc; 1981-08-24 to 1982-10-03; source msha-controller-operator-history
- **operator_operates_mine:** Sunbeam Energy Inc → Mine No 1; 1982-10-04 to 1984-01-19; source msha-controller-operator-history
- **controller_controls_operator:** Vernon P  Ferrell → Sunbeam Energy Inc; 1982-10-04 to 1984-01-19; source msha-controller-operator-history
- **operator_operates_mine:** Big Foot Coal Company Inc → Mine No 1; 1984-01-20 to 1986-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Compton Lucky D → Mine No 1; 1984-01-20 to 1986-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Compton Lucky D → Big Foot Coal Company Inc; 1984-01-20 to 1986-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Guyana Resources Inc → Mine No 1; 1986-08-01 to 1987-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Joby  Fields → Mine No 1; 1986-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joby  Fields → Guyana Resources Inc; 1986-08-01 to 1987-03-31; source msha-controller-operator-history
- **operator_operates_mine:** T N T Mining Inc → Mine No 1; 1987-04-01 to 1990-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Toney David H → Mine No 1; 1987-04-01 to 1990-01-16; source msha-controller-operator-history
- **controller_controls_operator:** Toney David H → T N T Mining Inc; 1987-04-01 to 1990-01-16; source msha-controller-operator-history
- **operator_operates_mine:** Sunbeam Energy Inc → Mine No 1; 1990-01-17 to 1990-04-12; source msha-controller-operator-history
- **controller_controls_operator:** Vernon P  Ferrell → Sunbeam Energy Inc; 1990-01-17 to 1990-04-12; source msha-controller-operator-history
- **operator_operates_mine:** Forest Hills Coal Company → Mine No 1; 1990-04-13 to 1990-11-14; source msha-controller-operator-history
- **controller_controls_mine:** Young Sidney R Jr → Mine No 1; 1990-04-13 to 1990-11-14; source msha-controller-operator-history
- **controller_controls_operator:** Young Sidney R Jr → Forest Hills Coal Company; 1990-04-13 to 1990-11-14; source msha-controller-operator-history
- **operator_operates_mine:** Forest Hills Coal Company → Mine No 1; 1990-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Scott Frankie → Mine No 1; 1990-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott Frankie → Forest Hills Coal Company; 1990-11-15 to current/open; source msha-controller-operator-history