# Relationship history for MSHA mine 0202292

Current hierarchy: **CCI  (Clyde Companies Inc) → WW Clyde & Co. → Crushing Plant**

- 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:** CCI  (Clyde Companies Inc) → Crushing Plant; 1979-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerald L  Hatch → Crushing Plant; 1980-07-01 to 2015-03-08; source msha-controller-operator-history
- **operator_operates_mine:** Hatch Construction & Paving Inc → Crushing Plant; 1986-03-01 to 2024-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Jerald L  Hatch → Hatch Construction & Paving Inc; 1986-03-01 to 2015-03-08; source msha-controller-operator-history
- **controller_controls_mine:** Lynn  Hatch → Crushing Plant; 2015-03-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lynn  Hatch → Hatch Construction & Paving Inc; 2015-03-09 to 2024-10-09; source msha-controller-operator-history
- **operator_operates_mine:** WW Clyde & Co. → Crushing Plant; 2024-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CCI  (Clyde Companies Inc) → WW Clyde & Co.; 2024-10-10 to current/open; source msha-controller-operator-history