# Relationship history for MSHA mine 3608364

Current hierarchy: **Brian K  Reichard → Reichard Contracting Inc → Matway Site**

- 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:** Brian K  Reichard → Matway Site; 1985-02-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** G K & G Inc → Matway Site; 1992-10-01 to 1995-06-20; source msha-controller-operator-history
- **controller_controls_mine:** A F Budge Mining Ltd → Matway Site; 1992-10-01 to 1995-06-20; source msha-controller-operator-history
- **controller_controls_operator:** A F Budge Mining Ltd → G K & G Inc; 1992-10-01 to 1995-06-20; source msha-controller-operator-history
- **operator_operates_mine:** Reichard Contracting Inc → Matway Site; 1995-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian K  Reichard → Reichard Contracting Inc; 1995-06-21 to current/open; source msha-controller-operator-history