# Relationship history for MSHA mine 1518767

Current hierarchy: **Charles  Bennett → C.S. B. II Inc. → Dial Branch**

- 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:** Charles  Bennett → Dial Branch; 2001-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Taylor Logging & Construction LLC → Dial Branch; 2004-06-10 to 2004-06-20; source msha-controller-operator-history
- **controller_controls_mine:** David N  Montgomery → Dial Branch; 2004-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David N  Montgomery → Taylor Logging & Construction LLC; 2004-06-10 to 2004-06-20; source msha-controller-operator-history
- **operator_operates_mine:** Rising Sun, LLC → Dial Branch; 2004-06-21 to 2004-09-07; source msha-controller-operator-history
- **controller_controls_mine:** David N  Montgomery → Dial Branch; 2004-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David N  Montgomery → Rising Sun, LLC; 2004-06-21 to 2004-09-07; source msha-controller-operator-history
- **operator_operates_mine:** Black Gem Coal Sales Inc. → Dial Branch; 2004-09-08 to 2005-01-18; source msha-controller-operator-history
- **controller_controls_mine:** Clark D  Pergrem → Dial Branch; 2004-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clark D  Pergrem → Black Gem Coal Sales Inc.; 2004-09-08 to 2005-01-18; source msha-controller-operator-history
- **operator_operates_mine:** C.S. B. II Inc. → Dial Branch; 2005-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Bennett → C.S. B. II Inc.; 2005-01-19 to current/open; source msha-controller-operator-history