# Relationship history for MSHA mine 1502795

Current hierarchy: **Sandlin Lewis & Curtis Sexton → H & V Coal Company → No 5 Mine**

- 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:** H & V Coal Company → No 5 Mine; 1950-01-01 to 1978-09-05; source msha-controller-operator-history
- **controller_controls_mine:** Honeycutt Harold → No 5 Mine; 1950-01-01 to 1978-09-05; source msha-controller-operator-history
- **controller_controls_operator:** Honeycutt Harold → H & V Coal Company; 1950-01-01 to 1978-09-05; source msha-controller-operator-history
- **operator_operates_mine:** H & V Coal Company → No 5 Mine; 1978-09-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Sandlin Lewis & Curtis Sexton → No 5 Mine; 1978-09-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sandlin Lewis & Curtis Sexton → H & V Coal Company; 1978-09-06 to current/open; source msha-controller-operator-history