# Relationship history for MSHA mine 0901182

Current hierarchy: **McDonald Investment Company Inc → Broad River Stone → Broad River Stone LLC**

- 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:** Souther Rock Crushing Division → Broad River Stone LLC; 2007-11-07 to 2009-01-18; source msha-controller-operator-history
- **controller_controls_mine:** Allan W  Still → Broad River Stone LLC; 2007-11-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Allan W  Still → Souther Rock Crushing Division; 2007-11-07 to 2009-01-18; source msha-controller-operator-history
- **operator_operates_mine:** Broad River Stone → Broad River Stone LLC; 2009-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** McDonald Investment Company Inc → Broad River Stone LLC; 2009-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** McDonald Investment Company Inc → Broad River Stone; 2009-01-19 to current/open; source msha-controller-operator-history