# Relationship history for MSHA mine 5001240

Current hierarchy: **Michael P  Correa → Hat Creek Mining LLC → JS-4**

- 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:** Thurman Oil & Mining Inc → JS-4; 1950-01-01 to 2020-06-03; source msha-controller-operator-history
- **controller_controls_mine:** James L  Thurman → JS-4; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Thurman → Thurman Oil & Mining Inc; 1950-01-01 to 2020-06-03; source msha-controller-operator-history
- **operator_operates_mine:** Hat Creek Mining → JS-4; 2020-06-04 to 2023-04-20; source msha-controller-operator-history
- **controller_controls_mine:** Michael P  Correa → JS-4; 2020-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael P  Correa → Hat Creek Mining; 2020-06-04 to 2023-04-20; source msha-controller-operator-history
- **operator_operates_mine:** Hat Creek Mining LLC → JS-4; 2023-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael P  Correa → JS-4; 2023-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael P  Correa → Hat Creek Mining LLC; 2023-04-21 to current/open; source msha-controller-operator-history
