# Relationship history for MSHA mine 4405648

Current hierarchy: **James  Little → L & L Energy Of Hurley Inc → No 1 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:** 4-A Coal Corp → No 1 Mine; 1981-05-01 to 1983-07-27; source msha-controller-operator-history
- **controller_controls_mine:** Ashby James M Et Al → No 1 Mine; 1981-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashby James M Et Al → 4-A Coal Corp; 1981-05-01 to 1983-07-27; source msha-controller-operator-history
- **controller_controls_mine:** Davis James-James Mc Vey Et Al → No 1 Mine; 1983-02-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Omega Coal Company Inc → No 1 Mine; 1983-07-28 to 1985-06-09; source msha-controller-operator-history
- **controller_controls_operator:** Davis James-James Mc Vey Et Al → Omega Coal Company Inc; 1983-07-28 to 1985-06-09; source msha-controller-operator-history
- **operator_operates_mine:** L & L Energy Of Hurley Inc → No 1 Mine; 1985-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James  Little → No 1 Mine; 1985-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Little → L & L Energy Of Hurley Inc; 1985-06-10 to current/open; source msha-controller-operator-history