# Relationship history for MSHA mine 4407333

Current hierarchy: **Robert W (Bobby)  Wynn → TLW Materials, LLC → Crittenden Sand Pit**

- 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:** Paxton Contractors Corporation → Crittenden Sand Pit; 2015-02-25 to 2023-07-16; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey A Paxton → Crittenden Sand Pit; 2015-02-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey A Paxton → Paxton Contractors Corporation; 2015-02-25 to 2023-07-16; source msha-controller-operator-history
- **operator_operates_mine:** TLW Materials, LLC → Crittenden Sand Pit; 2023-07-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert W (Bobby)  Wynn → Crittenden Sand Pit; 2023-07-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert W (Bobby)  Wynn → TLW Materials, LLC; 2023-07-17 to current/open; source msha-controller-operator-history