# Relationship history for MSHA mine 1519853

Current hierarchy: **Charles William  France → C.W. Mining - Contractor LLC → #1**

- 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:** C.W. Mining - Contractor LLC → #1; 2019-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles William  France → #1; 2019-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles William  France → C.W. Mining - Contractor LLC; 2019-01-10 to current/open; source msha-controller-operator-history