# Relationship history for MSHA mine 1002345

Current hierarchy: **Martin  Bills; Jordan  Bills; Danny  Bills → Bills Construction → Silver Sage Mine**

- 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:** Bills Construction → Silver Sage Mine; 2023-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jordan  Bills et al → Silver Sage Mine; 2023-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jordan  Bills et al → Bills Construction; 2023-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Bills et al → Bills Construction; 2023-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Martin  Bills et al → Bills Construction; 2023-01-25 to current/open; source msha-controller-operator-history