# Relationship history for MSHA mine 0502421

Current hierarchy: **Western Associated Energy Corp → Eastside Coal Company Inc → Eastside Mine**

- 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:** Eastside Coal Company → Eastside Mine; 1974-01-01 to 1983-07-12; source msha-controller-operator-history
- **controller_controls_mine:** Bendetti Louis J → Eastside Mine; 1974-01-01 to 1983-07-12; source msha-controller-operator-history
- **controller_controls_operator:** Bendetti Louis J → Eastside Coal Company; 1974-01-01 to 1983-07-12; source msha-controller-operator-history
- **operator_operates_mine:** Eastside Coal Company Inc → Eastside Mine; 1983-07-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Western Associated Energy Corp → Eastside Mine; 1983-07-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Western Associated Energy Corp → Eastside Coal Company Inc; 1983-07-13 to current/open; source msha-controller-operator-history