# Relationship history for MSHA mine 2402197

Current hierarchy: **Montana Eagle Development LLC → West Shore Works LLC → West Shore  Works LLC**

- 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:** Valley Excavating → West Shore  Works LLC; 2000-06-01 to 2004-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Larry E  Anderson → West Shore  Works LLC; 2000-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry E  Anderson → Valley Excavating; 2000-06-01 to 2004-12-31; source msha-controller-operator-history
- **operator_operates_mine:** West Shore Works LLC → West Shore  Works LLC; 2005-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Montana Eagle Development LLC  et al → West Shore  Works LLC; 2005-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Montana Eagle Development LLC  et al → West Shore Works LLC; 2005-01-01 to current/open; source msha-controller-operator-history
