# Relationship history for MSHA mine 4703873

Current hierarchy: **Jerome James Jadin → J. Jadin, Inc. → Rubble Master 120 HSI Crusher**

- 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:** James J  Jadin → Rubble Master 120 HSI Crusher; 2005-10-18 to 2023-08-28; source msha-controller-operator-history
- **operator_operates_mine:** J. Jadin, Inc. → Rubble Master 120 HSI Crusher; 2020-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James J  Jadin → J. Jadin, Inc.; 2020-05-20 to 2023-08-28; source msha-controller-operator-history
- **controller_controls_mine:** Jerome James Jadin → Rubble Master 120 HSI Crusher; 2023-08-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerome James Jadin → J. Jadin, Inc.; 2023-08-29 to current/open; source msha-controller-operator-history
