# Relationship history for MSHA mine 0103557

Current hierarchy: **Baylis  Carnes; Lemuel  Carnes → Little River Materials → Area Pit**

- 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:** Little River Materials → Area Pit; 2022-02-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Baylis  Carnes et al → Area Pit; 2022-02-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Baylis  Carnes et al → Little River Materials; 2022-02-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lemuel  Carnes et al → Little River Materials; 2022-02-18 to current/open; source msha-controller-operator-history
