# Relationship history for MSHA mine 4608174

Current hierarchy: **William C  Vinson; Kennie D  Compton → Kennie-Wayne Inc → Kennie-Wayne #1a**

- 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:** Compton Kennie D → Kennie-Wayne #1a; 1986-10-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** War Eagle Construction Company Inc → Kennie-Wayne #1a; 1992-04-01 to 1992-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Compton Kennie D → War Eagle Construction Company Inc; 1992-04-01 to 1992-09-17; source msha-controller-operator-history
- **operator_operates_mine:** Kennie-Wayne Inc → Kennie-Wayne #1a; 1992-09-18 to 1992-10-01; source msha-controller-operator-history
- **controller_controls_mine:** Anderson Nell → Kennie-Wayne #1a; 1992-09-18 to 1992-10-01; source msha-controller-operator-history
- **controller_controls_operator:** Anderson Nell → Kennie-Wayne Inc; 1992-09-18 to 1992-10-01; source msha-controller-operator-history
- **operator_operates_mine:** Kennie-Wayne Inc → Kennie-Wayne #1a; 1992-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kennie D  Compton et al → Kennie-Wayne #1a; 1992-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kennie D  Compton et al → Kennie-Wayne Inc; 1992-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William C  Vinson et al → Kennie-Wayne Inc; 1992-10-02 to current/open; source msha-controller-operator-history