# Relationship history for MSHA mine 1511019

Current hierarchy: **Reading & Bates Corp → Golden Oak Mining Company Inc → Golden Oak No 5**

- 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:** Joseph Brothers Inc → Golden Oak No 5; 1978-01-01 to 1978-05-10; source msha-controller-operator-history
- **controller_controls_mine:** Joseph Brothers Inc → Golden Oak No 5; 1978-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph Brothers Inc → Joseph Brothers Inc; 1978-01-01 to 1978-05-10; source msha-controller-operator-history
- **controller_controls_mine:** Thornsberry Donald → Golden Oak No 5; 1978-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cook & Sexton Mining Company Inc → Golden Oak No 5; 1978-05-11 to 1979-06-04; source msha-controller-operator-history
- **controller_controls_mine:** Michael K  Cook et al → Golden Oak No 5; 1978-05-11 to 1979-06-04; source msha-controller-operator-history
- **controller_controls_operator:** Michael K  Cook et al → Cook & Sexton Mining Company Inc; 1978-05-11 to 1979-06-04; source msha-controller-operator-history
- **operator_operates_mine:** Kentucky (Ky) Diamond Coal Company Inc → Golden Oak No 5; 1979-06-05 to 1980-08-13; source msha-controller-operator-history
- **controller_controls_operator:** Thornsberry Donald → Kentucky (Ky) Diamond Coal Company Inc; 1979-06-05 to 1980-08-13; source msha-controller-operator-history
- **operator_operates_mine:** Straight Fork Coal Company Inc → Golden Oak No 5; 1980-08-14 to 1982-03-28; source msha-controller-operator-history
- **controller_controls_mine:** Guerra Lonzo → Golden Oak No 5; 1980-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Guerra Lonzo → Straight Fork Coal Company Inc; 1980-08-14 to 1982-03-28; source msha-controller-operator-history
- **controller_controls_mine:** Reading & Bates Corp → Golden Oak No 5; 1981-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Golden Oak Mining Company Inc → Golden Oak No 5; 1982-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Reading & Bates Corp → Golden Oak Mining Company Inc; 1982-03-29 to current/open; source msha-controller-operator-history