# Relationship history for MSHA mine 3003369

Current hierarchy: **Richard L  Vonderlieth → J D Vonderlieth & Sons → J D Vonderlieth & Sons Incorporated**

- 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:** J D Vonderlieth & Sons → J D Vonderlieth & Sons Incorporated; 2001-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Richard  Vonderlieth Sr → J D Vonderlieth & Sons Incorporated; 2001-06-01 to 2014-10-05; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Vonderlieth Sr → J D Vonderlieth & Sons; 2001-06-01 to 2014-10-05; source msha-controller-operator-history
- **controller_controls_mine:** Richard L  Vonderlieth → J D Vonderlieth & Sons Incorporated; 2014-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard L  Vonderlieth → J D Vonderlieth & Sons; 2014-10-06 to current/open; source msha-controller-operator-history