# Relationship history for MSHA mine 4300595

Current hierarchy: **Peter C Pedro → Pedro Slate, Inc. → #2 Quarry**

- 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:** Peter C Pedro et al → #2 Quarry; 1999-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pedro Slate, Inc. → #2 Quarry; 2003-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter C Pedro et al → Pedro Slate, Inc.; 2003-07-31 to current/open; source msha-controller-operator-history