# Relationship history for MSHA mine 3605096

Current hierarchy: **Continental Cogeneration Corp (CCC) → Continental Energy Associates Lp → Gowen 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:** David M  Yamulla → Gowen Mine; 1950-01-01 to 1994-05-09; source msha-controller-operator-history
- **operator_operates_mine:** Yamulla Trucking & Excavating Company → Gowen Mine; 1974-06-19 to 1994-05-09; source msha-controller-operator-history
- **controller_controls_operator:** David M  Yamulla → Yamulla Trucking & Excavating Company; 1974-06-19 to 1994-05-09; source msha-controller-operator-history
- **controller_controls_mine:** Continental Cogeneration Corp (CCC) et al → Gowen Mine; 1987-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Continental Energy Associates Lp → Gowen Mine; 1994-05-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Continental Cogeneration Corp (CCC) et al → Continental Energy Associates Lp; 1994-05-10 to current/open; source msha-controller-operator-history