# Relationship history for MSHA mine 4405842

Current hierarchy: **David  Clevinger; Everett  Delaney → Eastern Energy Corp → Surface Mine No 2**

- 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:** David  Clevinger et al → Surface Mine No 2; 1981-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eastern Energy Corp → Surface Mine No 2; 1982-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Clevinger et al → Eastern Energy Corp; 1982-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Everett  Delaney et al → Eastern Energy Corp; 1982-02-01 to current/open; source msha-controller-operator-history