# Relationship history for MSHA mine 0103450

Current hierarchy: **Donald J  Stone → Wadley Crushed Stone LLC → Wadley Crushed Stone**

- 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:** Wadley Crushed Stone LLC → Wadley Crushed Stone; 2012-12-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Perry  Donahoo et al → Wadley Crushed Stone; 2012-12-28 to 2021-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Perry  Donahoo et al → Wadley Crushed Stone LLC; 2012-12-28 to 2021-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Donald  Stone et al → Wadley Crushed Stone LLC; 2012-12-28 to 2021-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Donald J  Stone → Wadley Crushed Stone; 2022-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald J  Stone → Wadley Crushed Stone LLC; 2022-01-01 to current/open; source msha-controller-operator-history