# Relationship history for MSHA mine 4403890

Current hierarchy: **Doug  Dalton → Cardinal Quarries LLC → Bear Creek 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:** B & R Quarry Inc → Bear Creek Quarry; 1950-01-01 to 1978-06-30; source msha-controller-operator-history
- **controller_controls_mine:** B & R Quarry Inc → Bear Creek Quarry; 1950-01-01 to 1978-06-30; source msha-controller-operator-history
- **controller_controls_operator:** B & R Quarry Inc → B & R Quarry Inc; 1950-01-01 to 1978-06-30; source msha-controller-operator-history
- **operator_operates_mine:** H & H Stone Company → Bear Creek Quarry; 1978-07-01 to 1979-10-14; source msha-controller-operator-history
- **controller_controls_mine:** Hodges Luther & Ernie → Bear Creek Quarry; 1978-07-01 to 1986-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Hodges Luther & Ernie → H & H Stone Company; 1978-07-01 to 1979-10-14; source msha-controller-operator-history
- **operator_operates_mine:** Willard Quarry → Bear Creek Quarry; 1979-10-15 to 1999-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Franklin W  Willard → Bear Creek Quarry; 1979-10-15 to 1999-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Franklin W  Willard → Willard Quarry; 1979-10-15 to 1999-01-31; source msha-controller-operator-history
- **controller_controls_mine:** James M  Vannoy → Bear Creek Quarry; 1986-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cardinal Stone Company Inc → Bear Creek Quarry; 1999-02-01 to 2003-10-15; source msha-controller-operator-history
- **controller_controls_operator:** James M  Vannoy → Cardinal Stone Company Inc; 1999-02-01 to 2003-10-15; source msha-controller-operator-history
- **operator_operates_mine:** Cardinal Quarries LLC → Bear Creek Quarry; 2003-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Doug  Dalton → Bear Creek Quarry; 2003-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Doug  Dalton → Cardinal Quarries LLC; 2003-10-16 to current/open; source msha-controller-operator-history