# Relationship history for MSHA mine 5002029

Current hierarchy: **Shanna  Squires-Roderick → R/C Land Improvement → Lichen Street Pit**

- 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:** Iliamna Lake Contractors, LLC → Lichen Street Pit; 2015-04-16 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Igiugig Tribal Village Council → Lichen Street Pit; 2015-04-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Igiugig Tribal Village Council → Iliamna Lake Contractors, LLC; 2015-04-16 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Shanna  Squires-Roderick → Lichen Street Pit; 2019-04-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** R/C Land Improvement → Lichen Street Pit; 2020-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shanna  Squires-Roderick → R/C Land Improvement; 2020-06-01 to current/open; source msha-controller-operator-history