# Relationship history for MSHA mine 3003001

Current hierarchy: **Saratoga County-Ny → Saratoga County Department Of Public Works → SARATOGA COUNTY GRAVEL 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Saratoga County Department Of Public Works → SARATOGA COUNTY GRAVEL PIT; 1991-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Saratoga County-Ny → SARATOGA COUNTY GRAVEL PIT; 1991-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Saratoga County-Ny → Saratoga County Department Of Public Works; 1991-04-01 to current/open; source msha-controller-operator-history