# Relationship history for MSHA mine 4407014

Current hierarchy: **Gary  Dotson → Cavalier Mineral Inc → 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:** Carl  Mullins → Mine No 1; 1998-12-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Terry E  Matney → Mine No 1; 2000-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Matney Construction Company Inc → Mine No 1; 2000-11-01 to 2001-03-25; source msha-controller-operator-history
- **controller_controls_operator:** Terry E  Matney → Matney Construction Company Inc; 2000-11-01 to 2001-03-25; source msha-controller-operator-history
- **operator_operates_mine:** Minchar Coal Company → Mine No 1; 2001-03-26 to 2004-05-12; source msha-controller-operator-history
- **controller_controls_operator:** Carl  Mullins → Minchar Coal Company; 2001-03-26 to 2004-05-12; source msha-controller-operator-history
- **operator_operates_mine:** Cavalier Mineral Inc → Mine No 1; 2004-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Dotson  et al → Mine No 1; 2004-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Dotson  et al → Cavalier Mineral Inc; 2004-05-13 to current/open; source msha-controller-operator-history