# Relationship history for MSHA mine 4003506

Current hierarchy: **Linda Sue Hinch; Philip  Hinch → Claysville Quarries, LLC → Old Virgil Reed 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

- **controller_controls_mine:** Dennis Roy  Hinch → Old Virgil Reed Quarry; 2005-12-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Claysville Quarry → Old Virgil Reed Quarry; 2019-02-22 to 2022-12-07; source msha-controller-operator-history
- **controller_controls_operator:** Dennis Roy  Hinch → Claysville Quarry; 2019-02-22 to 2022-12-07; source msha-controller-operator-history
- **operator_operates_mine:** Claysville Quarries, LLC → Old Virgil Reed Quarry; 2022-12-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Linda Sue Hinch et al → Old Virgil Reed Quarry; 2022-12-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Linda Sue Hinch et al → Claysville Quarries, LLC; 2022-12-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Philip  Hinch et al → Claysville Quarries, LLC; 2022-12-08 to current/open; source msha-controller-operator-history