# Relationship history for MSHA mine 4600889

Current hierarchy: **Rundle Patrick J → Coal Resources Inc → Juanita #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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Coal Resources Inc → Juanita #1 Mine; 1950-01-01 to 1978-07-30; source msha-controller-operator-history
- **controller_controls_mine:** James L  Laurita → Juanita #1 Mine; 1950-01-01 to 1978-07-30; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita → Coal Resources Inc; 1950-01-01 to 1978-07-30; source msha-controller-operator-history
- **operator_operates_mine:** Coal Resources Inc → Juanita #1 Mine; 1978-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rundle Patrick J → Juanita #1 Mine; 1978-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rundle Patrick J → Coal Resources Inc; 1978-07-31 to current/open; source msha-controller-operator-history
