# Relationship history for MSHA mine 1513843

Current hierarchy: **Sullivan Darius L & James R → Brave Coal Company → No 1**

- 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:** Lower Hurricane Mining Company Inc → No 1; 1976-12-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Crickett Coal Company Inc → No 1; 1982-11-01 to 1983-03-14; source msha-controller-operator-history
- **controller_controls_mine:** Johnson Elwood Et Al → No 1; 1982-11-01 to 1987-01-04; source msha-controller-operator-history
- **controller_controls_operator:** Johnson Elwood Et Al → Crickett Coal Company Inc; 1982-11-01 to 1983-03-14; source msha-controller-operator-history
- **operator_operates_mine:** Lower Hurricane Mining Company Inc → No 1; 1983-03-15 to 1985-08-15; source msha-controller-operator-history
- **controller_controls_operator:** Lower Hurricane Mining Company Inc → Lower Hurricane Mining Company Inc; 1983-03-15 to 1985-08-15; source msha-controller-operator-history
- **controller_controls_mine:** Saiah D & F Engleman → No 1; 1984-03-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B X Corp → No 1; 1985-08-16 to 1986-01-21; source msha-controller-operator-history
- **controller_controls_operator:** Saiah D & F Engleman → B X Corp; 1985-08-16 to 1986-01-21; source msha-controller-operator-history
- **operator_operates_mine:** Brave Coal Company → No 1; 1986-01-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Sullivan Darius L & James R → No 1; 1986-01-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sullivan Darius L & James R → Brave Coal Company; 1986-01-22 to current/open; source msha-controller-operator-history