# Relationship history for MSHA mine 3602755

Current hierarchy: **Apex Oil Company → Colt Resources Inc → Moore 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:** Everett Moore Coal Company → Moore Mine; 1950-01-01 to 1986-11-09; source msha-controller-operator-history
- **controller_controls_mine:** Moore Max L & Glenn E → Moore Mine; 1950-01-01 to 1986-11-09; source msha-controller-operator-history
- **controller_controls_operator:** Moore Max L & Glenn E → Everett Moore Coal Company; 1950-01-01 to 1986-11-09; source msha-controller-operator-history
- **controller_controls_mine:** Apex Oil Company → Moore Mine; 1981-11-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Colt Resources Inc → Moore Mine; 1986-11-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Apex Oil Company → Colt Resources Inc; 1986-11-10 to current/open; source msha-controller-operator-history