# Relationship history for MSHA mine 1518772

Current hierarchy: **Bradley B  Hopkins → L & E Contracting Inc → Mine #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:** Cliff  Bartley → Mine #3; 1991-04-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cliffco Enterprise, Inc. → Mine #3; 2004-06-22 to 2005-05-26; source msha-controller-operator-history
- **controller_controls_operator:** Cliff  Bartley → Cliffco Enterprise, Inc.; 2004-06-22 to 2005-05-26; source msha-controller-operator-history
- **controller_controls_mine:** Joey  Taylor → Mine #3; 2005-01-18 to 2006-11-20; source msha-controller-operator-history
- **operator_operates_mine:** L & E Contracting Inc → Mine #3; 2005-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joey  Taylor → L & E Contracting Inc; 2005-05-27 to 2006-11-20; source msha-controller-operator-history
- **controller_controls_mine:** Bradley B  Hopkins → Mine #3; 2006-11-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bradley B  Hopkins → L & E Contracting Inc; 2006-11-21 to current/open; source msha-controller-operator-history