# Relationship history for MSHA mine 0505067

Current hierarchy: **Mike  Sorrell → Sorrell Placer Mining LLC → Fairplay**

- 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:** Todd R  Hoffman → Fairplay; 2015-09-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** 316 Mining L.L.C → Fairplay; 2016-08-23 to 2017-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Todd R  Hoffman → 316 Mining L.L.C; 2016-08-23 to 2017-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Redemption Gold, L.L.C. → Fairplay; 2017-05-01 to 2018-04-07; source msha-controller-operator-history
- **controller_controls_mine:** Todd R  Hoffman → Fairplay; 2017-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Todd R  Hoffman → Redemption Gold, L.L.C.; 2017-05-01 to 2018-04-07; source msha-controller-operator-history
- **operator_operates_mine:** Sorrell Placer Mining LLC → Fairplay; 2018-04-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mike  Sorrell → Fairplay; 2018-04-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Sorrell → Sorrell Placer Mining LLC; 2018-04-08 to current/open; source msha-controller-operator-history