# Relationship history for MSHA mine 2700384

Current hierarchy: **James N  Locke II → NorthEast Earth Mechanics, LLC → CR04 Metso Jaw 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** James N  Locke II → CR04 Metso Jaw Crusher; 1998-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** NorthEast Earth Mechanics, LLC → CR04 Metso Jaw Crusher; 2003-06-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James N  Locke II → NorthEast Earth Mechanics, LLC; 2003-06-26 to current/open; source msha-controller-operator-history