# Relationship history for MSHA mine 0103335

Current hierarchy: **RecyCoal → Thompson South 1 LLC → Thompson South Mine**

- 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:** Eugene F  Morton → Thompson South Mine; 2000-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** M&B Excavating Co., Inc., LLC → Thompson South Mine; 2006-02-07 to 2011-11-20; source msha-controller-operator-history
- **controller_controls_operator:** Eugene F  Morton → M&B Excavating Co., Inc., LLC; 2006-02-07 to 2011-11-20; source msha-controller-operator-history
- **operator_operates_mine:** Thompson South 1 LLC → Thompson South Mine; 2011-11-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** RecyCoal → Thompson South Mine; 2011-11-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** RecyCoal → Thompson South 1 LLC; 2011-11-21 to current/open; source msha-controller-operator-history