# Relationship history for MSHA mine 3003586

Current hierarchy: **Christopher  Henry → ADHAN PIPING CO INC → CEC 24X36 JAW, #15**

- 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:** Roy D  Reeves → CEC 24X36 JAW, #15; 1985-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** RMS Gravel, Inc → CEC 24X36 JAW, #15; 2007-04-13 to 2023-01-10; source msha-controller-operator-history
- **controller_controls_operator:** Roy D  Reeves → RMS Gravel, Inc; 2007-04-13 to 2023-01-10; source msha-controller-operator-history
- **operator_operates_mine:** Adhan Piping Co Inc → CEC 24X36 JAW, #15; 2023-01-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Christopher  Henry → CEC 24X36 JAW, #15; 2023-01-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher  Henry → Adhan Piping Co Inc; 2023-01-11 to current/open; source msha-controller-operator-history