# Relationship history for MSHA mine 3004117

Current hierarchy: **Town of Lawrence-NY → Town of Lawrence → Priest Sand 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Town of Lawrence → Priest Sand Mine; 2023-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Town of Lawrence-NY → Priest Sand Mine; 2023-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Town of Lawrence-NY → Town of Lawrence; 2023-08-22 to current/open; source msha-controller-operator-history