# Relationship history for MSHA mine 4103993

Current hierarchy: **Redwine Pat → Redwine Construction → REDWINE CONST.**

- 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:** Redwine Construction → REDWINE CONST.; 1998-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Redwine Pat → REDWINE CONST.; 1998-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Redwine Pat → Redwine Construction; 1998-04-01 to current/open; source msha-controller-operator-history