# Relationship history for MSHA mine 4801780

Current hierarchy: **Danae  Good; Brian  Good → Good Bentonite Company, LLC → Bear Creek**

- 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:** Good Bentonite Company, LLC → Bear Creek; 2014-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Good et al → Bear Creek; 2014-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Good et al → Good Bentonite Company, LLC; 2014-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danae  Good et al → Good Bentonite Company, LLC; 2014-03-28 to current/open; source msha-controller-operator-history