# Relationship history for MSHA mine 4703839

Current hierarchy: **Christopher  Bucklin → Go Green Recycling, LLC. → 2012 KPI**

- 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:** Christopher  Bucklin → 2012 KPI; 2018-03-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Go Green Recycling LLC → 2012 KPI; 2019-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher  Bucklin → Go Green Recycling LLC; 2019-04-02 to current/open; source msha-controller-operator-history