# Relationship history for MSHA mine 4607913

Current hierarchy: **David  Clevinger; Everett  Delaney → Eastern Energy Corp → Mine No 5**

- 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:** Everett  Delaney et al → Mine No 5; 1981-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Coy  Taylor et al → Mine No 5; 1990-02-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Commonwealth Resources Inc → Mine No 5; 1990-07-01 to 1993-02-11; source msha-controller-operator-history
- **controller_controls_operator:** Coy  Taylor et al → Commonwealth Resources Inc; 1990-07-01 to 1993-02-11; source msha-controller-operator-history
- **controller_controls_operator:** James  Taylor et al → Commonwealth Resources Inc; 1990-07-01 to 1993-02-11; source msha-controller-operator-history
- **operator_operates_mine:** Eastern Energy Corp → Mine No 5; 1993-02-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Everett  Delaney et al → Eastern Energy Corp; 1993-02-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Clevinger et al → Eastern Energy Corp; 1993-02-12 to current/open; source msha-controller-operator-history