# Relationship history for MSHA mine 4606024

Current hierarchy: **Mc Graw Benny E → Atlas Coal Corp → Low Gap No 1 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** S Austin  Caperton III → Low Gap No 1 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Slab Fork Coal Company → Low Gap No 1 Mine; 1979-07-01 to 1981-07-09; source msha-controller-operator-history
- **controller_controls_operator:** S Austin  Caperton III → Slab Fork Coal Company; 1979-07-01 to 1981-07-09; source msha-controller-operator-history
- **operator_operates_mine:** Atlas Coal Corp → Low Gap No 1 Mine; 1981-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mc Graw Benny E → Low Gap No 1 Mine; 1981-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mc Graw Benny E → Atlas Coal Corp; 1981-07-10 to current/open; source msha-controller-operator-history