# Relationship history for MSHA mine 1513375

Current hierarchy: **Faulkner Harry → International Shasta Resources Ltd → No 1 Strip**

- 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

- **controller_controls_mine:** Faulkner Harry → No 1 Strip; 1982-01-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** International Shasta Resources Ltd → No 1 Strip; 1982-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Faulkner Harry → International Shasta Resources Ltd; 1982-03-01 to current/open; source msha-controller-operator-history