# Relationship history for MSHA mine 4604825

Current hierarchy: **Buzzo Bill J → Victory-Kennedy Mine Inc → No 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** C & C Coal Company → No 1 Mine; 1975-07-02 to 1975-12-17; source msha-controller-operator-history
- **controller_controls_mine:** Kennedy Carl → No 1 Mine; 1975-07-02 to 1975-12-17; source msha-controller-operator-history
- **controller_controls_operator:** Kennedy Carl → C & C Coal Company; 1975-07-02 to 1975-12-17; source msha-controller-operator-history
- **operator_operates_mine:** Victory Kennedy Mine Inc → No 1 Mine; 1975-12-18 to 1977-02-28; source msha-controller-operator-history
- **controller_controls_mine:** John C  Geupel → No 1 Mine; 1975-12-18 to 1977-02-28; source msha-controller-operator-history
- **controller_controls_operator:** John C  Geupel → Victory Kennedy Mine Inc; 1975-12-18 to 1977-02-28; source msha-controller-operator-history
- **operator_operates_mine:** Victory-Kennedy Mine Inc → No 1 Mine; 1977-03-01 to 1979-07-05; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth  LaVan → No 1 Mine; 1977-03-01 to 1979-07-05; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth  LaVan → Victory-Kennedy Mine Inc; 1977-03-01 to 1979-07-05; source msha-controller-operator-history
- **operator_operates_mine:** Victory-Kennedy Mine Inc → No 1 Mine; 1979-07-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Buzzo Bill J → No 1 Mine; 1979-07-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Buzzo Bill J → Victory-Kennedy Mine Inc; 1979-07-06 to current/open; source msha-controller-operator-history