# Relationship history for MSHA mine 1901031

Current hierarchy: **Gary  Warner → GOSHEN STONE COMPANY INC → GOSHEN STONE QUARRY**

- 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:** Goshen Stone Company Inc → GOSHEN STONE QUARRY; 1992-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Warner → GOSHEN STONE QUARRY; 1992-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Warner → Goshen Stone Company Inc; 1992-04-01 to current/open; source msha-controller-operator-history