# Relationship history for MSHA mine 1519892

Current hierarchy: **Charles  Collins → JRC Mining, Inc. → Strip**

- 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:** Charles  Collins → Strip; 2013-06-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** JRC Mining, Inc. → Strip; 2021-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Collins → JRC Mining, Inc.; 2021-01-06 to current/open; source msha-controller-operator-history