# Relationship history for MSHA mine 3604680

Current hierarchy: **Jennifer  Taggart → Brandywine Quarry Inc → BRANDYWINE STONE**

- 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:** Stonewise → BRANDYWINE STONE; 1950-01-01 to 1999-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Dave  Wise → BRANDYWINE STONE; 1950-01-01 to 1999-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Dave  Wise → Stonewise; 1950-01-01 to 1999-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Brandywine Quarry Inc → BRANDYWINE STONE; 1999-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lynn  Hanaway → BRANDYWINE STONE; 1999-05-01 to 2026-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Lynn  Hanaway → Brandywine Quarry Inc; 1999-05-01 to 2026-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Jennifer  Taggart → BRANDYWINE STONE; 2026-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jennifer  Taggart → Brandywine Quarry Inc; 2026-08-12 to current/open; source msha-controller-operator-history