# Relationship history for MSHA mine 4405604

Current hierarchy: **Bill  Stacy → Hollow Point Mining Inc → No 4**

- 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:** Owens Otto & Gordon Et Al → No 4; 1975-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Owens Coal Company → No 4; 1981-03-01 to 1981-08-10; source msha-controller-operator-history
- **controller_controls_operator:** Owens Otto & Gordon Et Al → Owens Coal Company; 1981-03-01 to 1981-08-10; source msha-controller-operator-history
- **controller_controls_mine:** Smith James E Et Al → No 4; 1981-03-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Prater Betty → No 4; 1981-03-25 to 1988-03-27; source msha-controller-operator-history
- **operator_operates_mine:** Smiley Coal Company → No 4; 1981-08-11 to 1985-12-07; source msha-controller-operator-history
- **controller_controls_operator:** Smith James E Et Al → Smiley Coal Company; 1981-08-11 to 1985-12-07; source msha-controller-operator-history
- **operator_operates_mine:** Mack Coal Corp → No 4; 1985-12-08 to 1988-03-22; source msha-controller-operator-history
- **controller_controls_operator:** Prater Betty → Mack Coal Corp; 1985-12-08 to 1988-03-22; source msha-controller-operator-history
- **controller_controls_mine:** Nichols Cecil & Gary Keen → No 4; 1987-12-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Double O Coal Mining Corp → No 4; 1988-03-23 to 1989-01-16; source msha-controller-operator-history
- **controller_controls_operator:** Nichols Cecil & Gary Keen → Double O Coal Mining Corp; 1988-03-23 to 1989-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth L  Stacy → No 4; 1988-06-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Reco Mining Inc → No 4; 1989-01-17 to 1989-06-25; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth L  Stacy → Reco Mining Inc; 1989-01-17 to 1989-06-25; source msha-controller-operator-history
- **controller_controls_mine:** Bill  Stacy → No 4; 1989-05-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Buchanan Mark Mining Company → No 4; 1989-06-26 to 1990-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Van Meter H C → No 4; 1989-06-26 to 1990-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Van Meter H C → Buchanan Mark Mining Company; 1989-06-26 to 1990-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Unity Coal Inc → No 4; 1990-02-01 to 1990-06-17; source msha-controller-operator-history
- **controller_controls_mine:** Proffitt Steve → No 4; 1990-02-01 to 1990-06-17; source msha-controller-operator-history
- **controller_controls_operator:** Proffitt Steve → Unity Coal Inc; 1990-02-01 to 1990-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Hollow Point Mining Inc → No 4; 1990-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bill  Stacy → Hollow Point Mining Inc; 1990-06-18 to current/open; source msha-controller-operator-history