# Relationship history for MSHA mine 3302704

Current hierarchy: **Peters Charles → Charles Peters Coal Company → Peters Auger**

- 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:** Charles Peters Coal Company → Peters Auger; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Peters Charles → Peters Auger; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peters Charles → Charles Peters Coal Company; 1950-01-01 to current/open; source msha-controller-operator-history