# Relationship history for MSHA mine 1518145

Current hierarchy: **Benjamin R.  Bennett → Cloverfork Mining & Excavating Inc → Cm&E #3**

- 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:** Benjamin R.  Bennett → Cm&E #3; 1981-11-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cloverfork Mining & Excavating Inc → Cm&E #3; 1999-02-01 to 2010-06-17; source msha-controller-operator-history
- **controller_controls_operator:** Benjamin R.  Bennett → Cloverfork Mining & Excavating Inc; 1999-02-01 to 2010-06-17; source msha-controller-operator-history
- **controller_controls_mine:** Benjamin R.  Bennett → Cm&E #3; 2010-06-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cloverfork Mining & Excavating Inc → Cm&E #3; 2010-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Benjamin R.  Bennett → Cloverfork Mining & Excavating Inc; 2010-06-18 to current/open; source msha-controller-operator-history