# Relationship history for MSHA mine 3003376

Current hierarchy: **Chemung County-NY → Chemung County Solid Waste → CHEMUNG COUNTY LANDFILL**

- 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:** Chemung County Solid Waste → CHEMUNG COUNTY LANDFILL; 2001-10-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Chemung County-NY → CHEMUNG COUNTY LANDFILL; 2001-10-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chemung County-NY → Chemung County Solid Waste; 2001-10-09 to current/open; source msha-controller-operator-history
