# Relationship history for MSHA mine 4404945

Current hierarchy: **Deilmann-Haniel → J S Redpath Corp → Kimballton Air Shaft And Conveyor Shaft**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** J S Redpath Corp → Kimballton Air Shaft And Conveyor Shaft; 1978-03-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James S  Redpath → Kimballton Air Shaft And Conveyor Shaft; 1978-03-09 to 2007-08-31; source msha-controller-operator-history
- **controller_controls_operator:** James S  Redpath → J S Redpath Corp; 1978-03-09 to 2007-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Deilmann-Haniel → Kimballton Air Shaft And Conveyor Shaft; 2007-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Deilmann-Haniel → J S Redpath Corp; 2007-09-01 to current/open; source msha-controller-operator-history