# Relationship history for MSHA mine 0301163

Current hierarchy: **Kane David R → Titan Mining Ltd → Titan Lamar**

- 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:** Kane David R → Titan Lamar; 1975-09-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Titan Mining Ltd → Titan Lamar; 1975-11-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kane David R → Titan Mining Ltd; 1975-11-07 to current/open; source msha-controller-operator-history