# Relationship history for MSHA mine 4407332

Current hierarchy: **Robert W (Bobby)  Wynn → Holland Materials, LLC → Holland Materials, LLC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Holland Sand Pit, LLC → Holland Materials, LLC; 2015-02-25 to 2026-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey A Paxton → Holland Materials, LLC; 2015-02-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey A Paxton → Holland Sand Pit, LLC; 2015-02-25 to 2026-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Holland Materials, LLC → Holland Materials, LLC; 2026-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert W (Bobby)  Wynn → Holland Materials, LLC; 2026-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert W (Bobby)  Wynn → Holland Materials, LLC; 2026-08-01 to current/open; source msha-controller-operator-history