# Relationship history for MSHA mine 0405081

Current hierarchy: **Granite Construction Inc → Granite Construction Company → Parks 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:** Granite Construction Inc → Parks Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Parks Land & Cattle Company Inc → Parks Quarry; 1990-03-01 to 2026-08-20; source msha-controller-operator-history
- **controller_controls_mine:** Glenn  Parks → Parks Quarry; 1990-03-01 to 2013-03-11; source msha-controller-operator-history
- **controller_controls_operator:** Glenn  Parks → Parks Land & Cattle Company Inc; 1990-03-01 to 2013-03-11; source msha-controller-operator-history
- **controller_controls_mine:** Larry E  Parks → Parks Quarry; 2013-03-12 to 2022-02-27; source msha-controller-operator-history
- **controller_controls_operator:** Larry E  Parks → Parks Land & Cattle Company Inc; 2013-03-12 to 2022-02-27; source msha-controller-operator-history
- **controller_controls_mine:** Donna  Parks et al → Parks Quarry; 2022-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donna  Parks et al → Parks Land & Cattle Company Inc; 2022-02-28 to 2026-08-20; source msha-controller-operator-history
- **controller_controls_operator:** Catherine P  Epperson et al → Parks Land & Cattle Company Inc; 2022-02-28 to 2026-08-20; source msha-controller-operator-history
- **operator_operates_mine:** Granite Construction Company → Parks Quarry; 2026-08-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Granite Construction Inc → Granite Construction Company; 2026-08-21 to current/open; source msha-controller-operator-history