# Relationship history for MSHA mine 0405116

Current hierarchy: **Scott  Farley; Kurt  Kernen → Kernen Construction → Hatchery Road Crusher**

- 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:** Guynup Enterprises Company Inc → Hatchery Road Crusher; 1990-11-01 to 1997-04-13; source msha-controller-operator-history
- **controller_controls_mine:** Victor  Guynup → Hatchery Road Crusher; 1990-11-01 to 1997-04-13; source msha-controller-operator-history
- **controller_controls_operator:** Victor  Guynup → Guynup Enterprises Company Inc; 1990-11-01 to 1997-04-13; source msha-controller-operator-history
- **operator_operates_mine:** Walton Paving Inc → Hatchery Road Crusher; 1997-04-14 to 2004-06-20; source msha-controller-operator-history
- **controller_controls_mine:** Morris W  Walton Jr → Hatchery Road Crusher; 1997-04-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Morris W  Walton Jr → Walton Paving Inc; 1997-04-14 to 2004-06-20; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Farley et al → Hatchery Road Crusher; 1998-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kernen Construction → Hatchery Road Crusher; 2004-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Farley et al → Kernen Construction; 2004-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kurt  Kernen et al → Kernen Construction; 2004-06-21 to current/open; source msha-controller-operator-history