# Relationship history for MSHA mine 3102234

Current hierarchy: **Jeff  Newbern Sr → Green Acres Land Development, Inc. → Green Acres Land Development, Inc.**

- 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

- **operator_operates_mine:** Green Acres Land Development, Inc. → Green Acres Land Development, Inc.; 2008-05-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeff  Newbern Sr → Green Acres Land Development, Inc.; 2008-05-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Newbern Sr → Green Acres Land Development, Inc.; 2008-05-06 to current/open; source msha-controller-operator-history