# Relationship history for MSHA mine 1601404

Current hierarchy: **James  Creel → B & J Backhoe Service Inc. → Warnerton Pit**

- 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:** Stanley E  Creel → Warnerton Pit; 1995-06-01 to 2013-03-26; source msha-controller-operator-history
- **operator_operates_mine:** B & J Backhoe Service Inc. → Warnerton Pit; 2003-02-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stanley E  Creel → B & J Backhoe Service Inc.; 2003-02-21 to 2013-03-26; source msha-controller-operator-history
- **controller_controls_mine:** James  Creel → Warnerton Pit; 2013-03-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Creel → B & J Backhoe Service Inc.; 2013-03-27 to current/open; source msha-controller-operator-history