# Relationship history for MSHA mine 2302376

Current hierarchy: **Lionmark Construction Companies LLC → Indian Creek Materials LLC → Hunter Quarry**

- 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:** Hunter Stone Co LLC → Hunter Quarry; 2008-06-03 to 2023-02-09; source msha-controller-operator-history
- **controller_controls_mine:** Brad L  Colyott et al → Hunter Quarry; 2008-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brad L  Colyott et al → Hunter Stone Co LLC; 2008-06-03 to 2023-02-09; source msha-controller-operator-history
- **controller_controls_mine:** Lionmark Construction Companies LLC → Hunter Quarry; 2019-02-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Indian Creek Materials LLC → Hunter Quarry; 2023-02-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lionmark Construction Companies LLC → Indian Creek Materials LLC; 2023-02-10 to current/open; source msha-controller-operator-history