# Relationship history for MSHA mine 1517526

Current hierarchy: **Rodney A  Robinson; Pat R  Childers → General Mining LLC → Mine No. 2**

- 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:** Curtis  Francis → Mine No. 2; 1982-03-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Big Hill Mining Inc → Mine No. 2; 1994-04-01 to 1996-01-16; source msha-controller-operator-history
- **controller_controls_operator:** Curtis  Francis → Big Hill Mining Inc; 1994-04-01 to 1996-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Amon L  Mahon → Mine No. 2; 1994-11-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Island Fork Construction Ltd → Mine No. 2; 1996-01-17 to 2007-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Amon L  Mahon → Island Fork Construction Ltd; 1996-01-17 to 2007-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Pat R  Childers et al → Mine No. 2; 2007-02-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** General Mining LLC → Mine No. 2; 2007-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pat R  Childers et al → General Mining LLC; 2007-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rodney A  Robinson et al → General Mining LLC; 2007-07-01 to current/open; source msha-controller-operator-history