# Relationship history for MSHA mine 3402027

Current hierarchy: **Jeff  Shore → Shore Stone LLC → Shore Stone #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:** Shore Stone LLC → Shore Stone #1; 2006-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Shore et al → Shore Stone #1; 2006-11-15 to 2022-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Shore et al → Shore Stone LLC; 2006-11-15 to 2022-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Jeff  Shore → Shore Stone #1; 2022-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Shore → Shore Stone LLC; 2022-04-01 to current/open; source msha-controller-operator-history