# Relationship history for MSHA mine 1901063

Current hierarchy: **Francis  Judd; Linda  Judd → GEORGE D JUDD & SONS LLC → GOSHEN STONE FOR LANDSCAPING**

- 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:** George D Judd & Sons LLC → GOSHEN STONE FOR LANDSCAPING; 1998-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Francis  Judd et al → GOSHEN STONE FOR LANDSCAPING; 1998-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Francis  Judd et al → George D Judd & Sons LLC; 1998-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Linda  Judd et al → George D Judd & Sons LLC; 1998-10-01 to current/open; source msha-controller-operator-history
