# Relationship history for MSHA mine 0202180

Current hierarchy: **Mc Coll James R Partnership → James R Mc Coll Partnership → Forpaugh Mill**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** M C  Reeves → Forpaugh Mill; 1980-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Colorado Gold & Silver Inc → Forpaugh Mill; 1983-11-01 to 1986-07-16; source msha-controller-operator-history
- **controller_controls_operator:** M C  Reeves → Colorado Gold & Silver Inc; 1983-11-01 to 1986-07-16; source msha-controller-operator-history
- **operator_operates_mine:** Cliffdale Corp → Forpaugh Mill; 1986-07-17 to 1986-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Allison D Clifford → Forpaugh Mill; 1986-07-17 to 1986-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Allison D Clifford → Cliffdale Corp; 1986-07-17 to 1986-12-31; source msha-controller-operator-history
- **operator_operates_mine:** James R Mc Coll Partnership → Forpaugh Mill; 1987-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mc Coll James R Partnership → Forpaugh Mill; 1987-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mc Coll James R Partnership → James R Mc Coll Partnership; 1987-01-01 to current/open; source msha-controller-operator-history
