# Relationship history for MSHA mine 3502952

Current hierarchy: **Haziji Baz → Platina Resources Corp → Buffalo 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:** Buffalo Mining Company → Buffalo Mine; 1979-01-01 to 1989-06-07; source msha-controller-operator-history
- **controller_controls_mine:** Coluccio Vincent → Buffalo Mine; 1979-01-01 to 1989-06-07; source msha-controller-operator-history
- **controller_controls_operator:** Coluccio Vincent → Buffalo Mining Company; 1979-01-01 to 1989-06-07; source msha-controller-operator-history
- **operator_operates_mine:** Buffalo Pacific Mining Corp → Buffalo Mine; 1989-06-08 to 1993-08-23; source msha-controller-operator-history
- **controller_controls_mine:** Dni Holding → Buffalo Mine; 1989-06-08 to 1993-08-23; source msha-controller-operator-history
- **controller_controls_operator:** Dni Holding → Buffalo Pacific Mining Corp; 1989-06-08 to 1993-08-23; source msha-controller-operator-history
- **operator_operates_mine:** Platina Resources Corp → Buffalo Mine; 1993-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Haziji Baz → Buffalo Mine; 1993-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Haziji Baz → Platina Resources Corp; 1993-08-24 to current/open; source msha-controller-operator-history