# Relationship history for MSHA mine 0404143

Current hierarchy: **Kapusta Vernon J → Kapusta Sand & Gravel → Kapusta Pit And Mill**

- 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:** Mc Bryde Sand & Gravel → Kapusta Pit And Mill; 1950-01-01 to 1978-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Mc Bryde Sand & Gravel → Kapusta Pit And Mill; 1950-01-01 to 1978-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Mc Bryde Sand & Gravel → Mc Bryde Sand & Gravel; 1950-01-01 to 1978-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Kapusta Sand & Gravel → Kapusta Pit And Mill; 1978-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kapusta Vernon J → Kapusta Pit And Mill; 1978-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kapusta Vernon J → Kapusta Sand & Gravel; 1978-06-01 to current/open; source msha-controller-operator-history