# Relationship history for MSHA mine 0405952

Current hierarchy: **Raymond  Bean; Steve  Ingle → Twin Pines Minerals LLC → Ione Plant**

- 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:** Steve  Ingle et al → Ione Plant; 2017-02-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Twin Pines Minerals LLC → Ione Plant; 2021-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Ingle et al → Twin Pines Minerals LLC; 2021-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Raymond  Bean et al → Twin Pines Minerals LLC; 2021-03-01 to current/open; source msha-controller-operator-history