# Relationship history for MSHA mine 4607955

Current hierarchy: **Joseph J  Peles → Greg Coal Company Inc → Brooks Creek Strip #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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Greg Coal Company Inc → Brooks Creek Strip #1; 1990-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joseph J  Peles → Brooks Creek Strip #1; 1990-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph J  Peles → Greg Coal Company Inc; 1990-10-01 to current/open; source msha-controller-operator-history
