# Relationship history for MSHA mine 1512862

Current hierarchy: **Coleman Denzil → Eureka Mining Corp → Bingham Mine**

- 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:** Coleman Denzil → Bingham Mine; 1980-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** R & H Mineral Enterprises Of Western Ky Inc → Bingham Mine; 1981-05-01 to 1982-02-02; source msha-controller-operator-history
- **controller_controls_mine:** Coleman Denzil → Bingham Mine; 1981-05-01 to 1982-02-02; source msha-controller-operator-history
- **controller_controls_operator:** Coleman Denzil → R & H Mineral Enterprises Of Western Ky Inc; 1981-05-01 to 1982-02-02; source msha-controller-operator-history
- **operator_operates_mine:** Vic Inc → Bingham Mine; 1982-02-03 to 1983-03-27; source msha-controller-operator-history
- **controller_controls_mine:** Clark David M → Bingham Mine; 1982-02-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clark David M → Vic Inc; 1982-02-03 to 1983-03-27; source msha-controller-operator-history
- **operator_operates_mine:** Eureka Mining Corp → Bingham Mine; 1983-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Coleman Denzil → Eureka Mining Corp; 1983-03-28 to current/open; source msha-controller-operator-history