# Relationship history for MSHA mine 1519934

Current hierarchy: **Ryan  Wilson; Angie  Fraley; Connie  Prater → Wilson Mining, LLC → Middle Fork Strip**

- 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

- **operator_operates_mine:** Wilson Mining, LLC → Middle Fork Strip; 2023-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ryan  Wilson et al → Middle Fork Strip; 2023-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ryan  Wilson et al → Wilson Mining, LLC; 2023-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Angie  Fraley et al → Wilson Mining, LLC; 2023-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Connie  Prater et al → Wilson Mining, LLC; 2023-01-04 to current/open; source msha-controller-operator-history