# Relationship history for MSHA mine 1513669

Current hierarchy: **Flanary Lucas → Little Beaver Corp → 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

- **controller_controls_mine:** Lucas James H → No 3 Mine; 1980-11-01 to 1992-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Flanary Lucas → No 3 Mine; 1981-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** 3 M Development & Coal Corp → No 3 Mine; 1982-09-01 to 1983-03-13; source msha-controller-operator-history
- **controller_controls_operator:** Lucas James H → 3 M Development & Coal Corp; 1982-09-01 to 1983-03-13; source msha-controller-operator-history
- **operator_operates_mine:** Little Beaver Corp → No 3 Mine; 1983-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Flanary Lucas → Little Beaver Corp; 1983-03-14 to current/open; source msha-controller-operator-history