# Relationship history for MSHA mine 1515524

Current hierarchy: **James L  Griffith → Cpg 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:** James L  Griffith et al → No 2 Mine; 1984-05-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Carbon Black Mining Company Inc → No 2 Mine; 1986-02-01 to 1987-02-02; source msha-controller-operator-history
- **controller_controls_mine:** Paterino Charles E → No 2 Mine; 1986-02-01 to 1987-02-02; source msha-controller-operator-history
- **controller_controls_operator:** Paterino Charles E → Carbon Black Mining Company Inc; 1986-02-01 to 1987-02-02; source msha-controller-operator-history
- **operator_operates_mine:** Carbon Black Mining Company Inc → No 2 Mine; 1987-02-03 to 1987-11-03; source msha-controller-operator-history
- **controller_controls_mine:** Runyon Harold → No 2 Mine; 1987-02-03 to 1987-11-03; source msha-controller-operator-history
- **controller_controls_operator:** Runyon Harold → Carbon Black Mining Company Inc; 1987-02-03 to 1987-11-03; source msha-controller-operator-history
- **operator_operates_mine:** Cpg Inc → No 2 Mine; 1987-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Griffith et al → Cpg Inc; 1987-11-04 to current/open; source msha-controller-operator-history