# Relationship history for MSHA mine 2600715

Current hierarchy: **Cooney John C → Cooney Mining → Cooney Mines**

- 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:** Art Wilson Company → Cooney Mines; 1950-01-01 to 1988-09-07; source msha-controller-operator-history
- **controller_controls_mine:** Art  Wilson → Cooney Mines; 1950-01-01 to 2015-08-04; source msha-controller-operator-history
- **controller_controls_operator:** Art  Wilson → Art Wilson Company; 1950-01-01 to 1988-09-07; source msha-controller-operator-history
- **controller_controls_mine:** Cooney John C → Cooney Mines; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cooney Mining → Cooney Mines; 1988-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cooney John C → Cooney Mining; 1988-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** H I G Capital LLC → Cooney Mines; 2015-08-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** H I G Capital LLC → Art Wilson Company; 2015-08-05 to 1988-09-07; source msha-controller-operator-history