# Relationship history for MSHA mine 1508978

Current hierarchy: **Michael K  Cook; Randy A  Cook → Cook and Sons Mining Inc → Premium**

- 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:** Harry  LaViers Jr → Premium; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** South-East Coal Company Inc → Premium; 1975-10-29 to 1996-05-19; source msha-controller-operator-history
- **controller_controls_operator:** Harry  LaViers Jr → South-East Coal Company Inc; 1975-10-29 to 1996-05-19; source msha-controller-operator-history
- **controller_controls_mine:** GOM Management Inc et al → Premium; 1989-07-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Golden Oak Mining Company L P → Premium; 1996-05-20 to 2000-11-09; source msha-controller-operator-history
- **controller_controls_operator:** GOM Management Inc et al → Golden Oak Mining Company L P; 1996-05-20 to 2000-11-09; source msha-controller-operator-history
- **controller_controls_operator:** First Capital Corp of Chicago  et al → Golden Oak Mining Company L P; 1996-05-20 to 2000-11-09; source msha-controller-operator-history
- **operator_operates_mine:** Cook and Sons Mining Inc → Premium; 2000-11-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael K  Cook et al → Premium; 2000-11-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael K  Cook et al → Cook and Sons Mining Inc; 2000-11-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy A  Cook et al → Cook and Sons Mining Inc; 2000-11-10 to current/open; source msha-controller-operator-history