# Relationship history for MSHA mine 0405630

Current hierarchy: **Larry L  Carpenter → Volcano Rock, Inc. → Ben Bridge Trust Allottment No. Red-14**

- 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:** Volcano Rock, Inc. → Ben Bridge Trust Allottment No. Red-14; 2005-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Larry L  Carpenter → Ben Bridge Trust Allottment No. Red-14; 2005-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry L  Carpenter → Volcano Rock, Inc.; 2005-01-31 to current/open; source msha-controller-operator-history