# Relationship history for MSHA mine 3003621

Current hierarchy: **John J  Kinsella → T H Kinsella Inc. → Delphi Plant and Pits**

- 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:** John J  Kinsella → Delphi Plant and Pits; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** T H Kinsella Inc. → Delphi Plant and Pits; 2008-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John J  Kinsella → T H Kinsella Inc.; 2008-01-03 to current/open; source msha-controller-operator-history