# Relationship history for MSHA mine 1511927

Current hierarchy: **Creech James L → Creech 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:** Surgener Lonnie → No 2 Mine; 1975-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Creech James L → No 2 Mine; 1978-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jones Harold Gregory → No 2 Mine; 1979-04-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cynthia Ann Coal Company Inc → No 2 Mine; 1979-06-01 to 1981-05-18; source msha-controller-operator-history
- **controller_controls_operator:** Jones Harold Gregory → Cynthia Ann Coal Company Inc; 1979-06-01 to 1981-05-18; source msha-controller-operator-history
- **operator_operates_mine:** Dee Dee Coal Company Inc → No 2 Mine; 1981-05-19 to 1981-07-07; source msha-controller-operator-history
- **controller_controls_mine:** Daniels Burt & Marr Et Al → No 2 Mine; 1981-05-19 to 1981-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Daniels Burt & Marr Et Al → Dee Dee Coal Company Inc; 1981-05-19 to 1981-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Creech Coal Company Inc → No 2 Mine; 1981-07-08 to 1983-03-23; source msha-controller-operator-history
- **controller_controls_operator:** Creech James L → Creech Coal Company Inc; 1981-07-08 to 1983-03-23; source msha-controller-operator-history
- **operator_operates_mine:** Lon-Ray Corp → No 2 Mine; 1983-03-24 to 1983-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Surgener Lonnie → Lon-Ray Corp; 1983-03-24 to 1983-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Creech Coal Company Inc → No 2 Mine; 1983-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Creech James L → Creech Coal Company Inc; 1983-06-01 to current/open; source msha-controller-operator-history