# Relationship history for MSHA mine 4401625

Current hierarchy: **Lester Elsie → Four L Coal Company Inc → No 2 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

- **controller_controls_mine:** Lester Elsie Et Al → No 2 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** V & O Coal Company → No 2 Mine; 1950-01-01 to 1970-02-28; source msha-controller-operator-history
- **controller_controls_mine:** V & O Coal Company → No 2 Mine; 1950-01-01 to 1970-02-28; source msha-controller-operator-history
- **controller_controls_operator:** V & O Coal Company → V & O Coal Company; 1950-01-01 to 1970-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Stiltner James → No 2 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J Stiltner Coal Company → No 2 Mine; 1970-03-01 to 1970-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Stiltner James → J Stiltner Coal Company; 1970-03-01 to 1970-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Four L Coal Company Inc → No 2 Mine; 1970-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lester Elsie Et Al → Four L Coal Company Inc; 1970-04-01 to current/open; source msha-controller-operator-history