# Relationship history for MSHA mine 4405276

Current hierarchy: **Raymond  Cline → C & S Mining Corp → 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:** L B M Coal Company Inc → No 1 Mine; 1979-08-01 to 1981-10-04; source msha-controller-operator-history
- **controller_controls_mine:** Harman Kendris (Ken) → No 1 Mine; 1979-08-01 to 1981-10-04; source msha-controller-operator-history
- **controller_controls_operator:** Harman Kendris (Ken) → L B M Coal Company Inc; 1979-08-01 to 1981-10-04; source msha-controller-operator-history
- **operator_operates_mine:** L B M Coal Company Inc → No 1 Mine; 1981-10-05 to 1981-11-10; source msha-controller-operator-history
- **controller_controls_mine:** Ratliff Bill → No 1 Mine; 1981-10-05 to 1981-11-10; source msha-controller-operator-history
- **controller_controls_operator:** Ratliff Bill → L B M Coal Company Inc; 1981-10-05 to 1981-11-10; source msha-controller-operator-history
- **operator_operates_mine:** L B J Coal Company Inc → No 1 Mine; 1981-11-11 to 1987-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Fred  McGlothlin et al → No 1 Mine; 1981-11-11 to 1987-07-09; source msha-controller-operator-history
- **controller_controls_operator:** Fred  McGlothlin et al → L B J Coal Company Inc; 1981-11-11 to 1987-07-09; source msha-controller-operator-history
- **operator_operates_mine:** C & S Mining Corp → No 1 Mine; 1987-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Raymond  Cline → No 1 Mine; 1987-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Raymond  Cline → C & S Mining Corp; 1987-07-10 to current/open; source msha-controller-operator-history