# Relationship history for MSHA mine 4406195

Current hierarchy: **Gary  Dotson → Cavalier Mineral Inc → Mine No 3**

- 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

- **operator_operates_mine:** Industrial Coal Corp → Mine No 3; 1985-03-01 to 1987-06-17; source msha-controller-operator-history
- **controller_controls_mine:** Ellis  Baldwin → Mine No 3; 1985-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ellis  Baldwin → Industrial Coal Corp; 1985-03-01 to 1987-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Classic Coal Corporation → Mine No 3; 1987-06-18 to 2006-08-07; source msha-controller-operator-history
- **controller_controls_mine:** James Wayne  Estep → Mine No 3; 1987-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James Wayne  Estep → Classic Coal Corporation; 1987-06-18 to 2006-08-07; source msha-controller-operator-history
- **controller_controls_mine:** Cullen  Ratliff → Mine No 3; 2002-07-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Dotson  et al → Mine No 3; 2004-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kres B  VanDyke → Mine No 3; 2005-10-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Vandyke Mining Inc. → Mine No 3; 2006-08-08 to 2008-01-29; source msha-controller-operator-history
- **controller_controls_operator:** Kres B  VanDyke → Vandyke Mining Inc.; 2006-08-08 to 2008-01-29; source msha-controller-operator-history
- **operator_operates_mine:** Abby Contractors Inc → Mine No 3; 2008-01-30 to 2008-03-02; source msha-controller-operator-history
- **controller_controls_operator:** Cullen  Ratliff → Abby Contractors Inc; 2008-01-30 to 2008-03-02; source msha-controller-operator-history
- **operator_operates_mine:** Cavalier Mineral Inc → Mine No 3; 2008-03-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Dotson  et al → Cavalier Mineral Inc; 2008-03-03 to current/open; source msha-controller-operator-history