# Relationship history for MSHA mine 4801805

Current hierarchy: **Bowman  Stinson; Lynley  Stinson → STINSON CONSTRUCTION, LLC → SC CRUSHER #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:** Bowman  Stinson et al → SC CRUSHER #2; 2015-02-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Stinson Construction, LLC → SC CRUSHER #2; 2017-05-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bowman  Stinson et al → Stinson Construction, LLC; 2017-05-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lynley  Stinson et al → Stinson Construction, LLC; 2017-05-04 to current/open; source msha-controller-operator-history