# Relationship history for MSHA mine 4604854

Current hierarchy: **Simmons Harold W → Simmons Coal & Energy Corp → Redlick Run 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

- **controller_controls_mine:** Lucas Edsel L → Redlick Run No 1 Mine; 1950-01-01 to 1976-12-17; source msha-controller-operator-history
- **operator_operates_mine:** S S Joe Burford Inc → Redlick Run No 1 Mine; 1975-01-01 to 1976-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Lucas Edsel L → S S Joe Burford Inc; 1975-01-01 to 1976-01-26; source msha-controller-operator-history
- **controller_controls_mine:** Mendola Charles → Redlick Run No 1 Mine; 1975-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Menecks Coal Co Inc → Redlick Run No 1 Mine; 1976-01-27 to 1977-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Mendola Charles → Menecks Coal Co Inc; 1976-01-27 to 1977-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Simmons Coal & Energy Corp → Redlick Run No 1 Mine; 1977-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Simmons Harold W → Redlick Run No 1 Mine; 1977-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Simmons Harold W → Simmons Coal & Energy Corp; 1977-02-01 to current/open; source msha-controller-operator-history