# Relationship history for MSHA mine 1517489

Current hierarchy: **Terry Charles  Marshall → M W Mining Inc → No 1**

- 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:** Woodman Three Mining Inc → No 1; 1974-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rutherford Kermit → No 1; 1990-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** K Rutherford Construction Inc → No 1; 1994-01-01 to 1994-04-25; source msha-controller-operator-history
- **controller_controls_operator:** Rutherford Kermit → K Rutherford Construction Inc; 1994-01-01 to 1994-04-25; source msha-controller-operator-history
- **operator_operates_mine:** Woodman Three Mine Company Inc → No 1; 1994-04-26 to 1994-05-30; source msha-controller-operator-history
- **controller_controls_operator:** Woodman Three Mining Inc → Woodman Three Mine Company Inc; 1994-04-26 to 1994-05-30; source msha-controller-operator-history
- **operator_operates_mine:** M W Mining Inc → No 1; 1994-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Terry Charles  Marshall → No 1; 1994-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry Charles  Marshall → M W Mining Inc; 1994-05-31 to current/open; source msha-controller-operator-history