# Relationship history for MSHA mine 4105825

Current hierarchy: **Austin  Hoelscher; Carl  Hoelscher → Hoelscher Crushed Stone, LLC → CR 150 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

- **controller_controls_mine:** Austin  Hoelscher et al → CR 150 Pit; 2021-09-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hoelscher Crushed Stone, LLC → CR 150 Pit; 2025-12-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Austin  Hoelscher et al → Hoelscher Crushed Stone, LLC; 2025-12-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carl  Hoelscher et al → Hoelscher Crushed Stone, LLC; 2025-12-03 to current/open; source msha-controller-operator-history