# Relationship history for MSHA mine 1517163

Current hierarchy: **Stanley W Osborne → Torie Mining Inc → Mine 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:** France Kermit → Mine No 1; 1988-07-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Indian Creek Coal Corp → Mine No 1; 1991-12-01 to 1992-05-17; source msha-controller-operator-history
- **controller_controls_mine:** Collie  Hall et al → Mine No 1; 1991-12-01 to 1992-05-17; source msha-controller-operator-history
- **controller_controls_operator:** Collie  Hall et al → Indian Creek Coal Corp; 1991-12-01 to 1992-05-17; source msha-controller-operator-history
- **operator_operates_mine:** Oakwood Mining Company → Mine No 1; 1992-05-18 to 1995-06-20; source msha-controller-operator-history
- **controller_controls_operator:** France Kermit → Oakwood Mining Company; 1992-05-18 to 1995-06-20; source msha-controller-operator-history
- **operator_operates_mine:** Torie Mining Inc → Mine No 1; 1995-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stanley W Osborne → Mine No 1; 1995-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stanley W Osborne → Torie Mining Inc; 1995-06-21 to current/open; source msha-controller-operator-history