# Relationship history for MSHA mine 0101848

Current hierarchy: **Kerlin Paul E Sr → Clay & Shale Shippers Inc → Arthur Pit No 1**

- 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:** Kerlin Paul E Sr → Arthur Pit No 1; 1975-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clay & Shale Shippers Inc → Arthur Pit No 1; 1978-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kerlin Paul E Sr → Clay & Shale Shippers Inc; 1978-03-01 to current/open; source msha-controller-operator-history