# Relationship history for MSHA mine 4003498

Current hierarchy: **Quarry Investments, LLC → Quarry Properties LLC → Ogden Rd Quarries**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Quarries Land Holdings, LLC → Ogden Rd Quarries; 2018-10-31 to 2019-08-06; source msha-controller-operator-history
- **controller_controls_mine:** Patrick  Wells → Ogden Rd Quarries; 2018-10-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patrick  Wells → Quarries Land Holdings, LLC; 2018-10-31 to 2019-08-06; source msha-controller-operator-history
- **operator_operates_mine:** Quarry Properties LLC → Ogden Rd Quarries; 2019-08-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Quarry Investments, LLC → Ogden Rd Quarries; 2019-08-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Quarry Investments, LLC → Quarry Properties LLC; 2019-08-07 to current/open; source msha-controller-operator-history