# Relationship history for MSHA mine 0103263

Current hierarchy: **RecyCoal → Thompson South 1 LLC. → Waste Recovery Site No 1**

- 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

- **controller_controls_mine:** Eugene F  Morton → Waste Recovery Site No 1; 2000-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C. A. Murren & Sons Company, Inc. → Waste Recovery Site No 1; 2003-05-14 to 2004-03-29; source msha-controller-operator-history
- **controller_controls_mine:** Charles A  Murren III → Waste Recovery Site No 1; 2003-05-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles A  Murren III → C. A. Murren & Sons Company, Inc.; 2003-05-14 to 2004-03-29; source msha-controller-operator-history
- **operator_operates_mine:** M & B Excavating Co., LLC → Waste Recovery Site No 1; 2004-03-30 to 2012-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Eugene F  Morton → M & B Excavating Co., LLC; 2004-03-30 to 2012-10-31; source msha-controller-operator-history
- **controller_controls_mine:** RecyCoal → Waste Recovery Site No 1; 2011-11-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Thompson South 1 LLC. → Waste Recovery Site No 1; 2012-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** RecyCoal → Thompson South 1 LLC.; 2012-11-01 to current/open; source msha-controller-operator-history