# Relationship history for MSHA mine 0202012

Current hierarchy: **Johnson Robert-William Ball → Apache International Mining → New Jupiter**

- 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

- **operator_operates_mine:** Apache International Mining → New Jupiter; 1980-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Johnson Robert-William Ball Et Al → New Jupiter; 1980-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Johnson Robert-William Ball Et Al → Apache International Mining; 1980-09-01 to current/open; source msha-controller-operator-history