# Relationship history for MSHA mine 3303112

Current hierarchy: **Logan Homar → Logan Mining Company Inc → Lisa 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Logan Mining Company Inc → Lisa Strip; 1974-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Logan Homar → Lisa Strip; 1974-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Logan Homar → Logan Mining Company Inc; 1974-10-01 to current/open; source msha-controller-operator-history