# Relationship history for MSHA mine 3605102

Current hierarchy: **Detwiler Dale → New Enterprise Stone & Lime Company Inc → Judy Hollow 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:** New Enterprise Stone & Lime Company Inc → Judy Hollow Mine; 1974-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Detwiler Dale → Judy Hollow Mine; 1974-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Detwiler Dale → New Enterprise Stone & Lime Company Inc; 1974-06-12 to current/open; source msha-controller-operator-history