# Relationship history for MSHA mine 4703410

Current hierarchy: **Charles J  Jackson → Charles Jackson Trucking and Excavating, LLC. → Jackson Material**

- 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:** Charles Jackson Trucking and Excavating LLC → Jackson Material; 2005-02-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles J  Jackson → Jackson Material; 2005-02-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles J  Jackson → Charles Jackson Trucking and Excavating LLC; 2005-02-08 to current/open; source msha-controller-operator-history