# Relationship history for MSHA mine 4405133

Current hierarchy: **Jackson R Dewayne → Three States Coal Sales Inc → No 1 Tipple**

- 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

- **operator_operates_mine:** E & B Coal Corp → No 1 Tipple; 1978-11-01 to 1986-01-05; source msha-controller-operator-history
- **controller_controls_mine:** Jackson Roy Dan → No 1 Tipple; 1978-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jackson Roy Dan → E & B Coal Corp; 1978-11-01 to 1986-01-05; source msha-controller-operator-history
- **operator_operates_mine:** Three States Coal Sales Inc → No 1 Tipple; 1986-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jackson R Dewayne → No 1 Tipple; 1986-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jackson R Dewayne → Three States Coal Sales Inc; 1986-01-06 to current/open; source msha-controller-operator-history