# Relationship history for MSHA mine 2602015

Current hierarchy: **Ades Ely J → Mountain Mines Inc → Caselton Tailings**

- 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

- **operator_operates_mine:** World Refiners Inc → Caselton Tailings; 1987-06-01 to 1988-05-24; source msha-controller-operator-history
- **controller_controls_mine:** Cesario Phillip → Caselton Tailings; 1987-06-01 to 1988-05-24; source msha-controller-operator-history
- **controller_controls_operator:** Cesario Phillip → World Refiners Inc; 1987-06-01 to 1988-05-24; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Mines Inc → Caselton Tailings; 1988-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ades Ely J → Caselton Tailings; 1988-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ades Ely J → Mountain Mines Inc; 1988-05-25 to current/open; source msha-controller-operator-history