# Relationship history for MSHA mine 5000326

Current hierarchy: **Robert I  Ditman → Ditman Placer Gold Inc → The Slim Chance**

- 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:** NVF Company → The Slim Chance; 1979-11-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Alaska Gold Company → The Slim Chance; 1982-08-01 to 2012-05-08; source msha-controller-operator-history
- **controller_controls_operator:** NVF Company → Alaska Gold Company; 1982-08-01 to 2012-05-08; source msha-controller-operator-history
- **operator_operates_mine:** Ditman Placer Gold Inc → The Slim Chance; 2012-05-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert I  Ditman → The Slim Chance; 2012-05-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert I  Ditman → Ditman Placer Gold Inc; 2012-05-09 to current/open; source msha-controller-operator-history