# Relationship history for MSHA mine 4401606

Current hierarchy: **Stiltner Noah → R & N Coal Company → No 3-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:** R & E Coal Company Inc → No 3-Mine; 1950-01-01 to 1973-09-12; source msha-controller-operator-history
- **controller_controls_mine:** Lester Robert F → No 3-Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lester Robert F → R & E Coal Company Inc; 1950-01-01 to 1973-09-12; source msha-controller-operator-history
- **controller_controls_mine:** Stiltner Noah → No 3-Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** R & N Coal Company → No 3-Mine; 1973-09-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stiltner Noah → R & N Coal Company; 1973-09-13 to current/open; source msha-controller-operator-history