# Relationship history for MSHA mine 2402301

Current hierarchy: **CRAIG R  BORIS; PATRICIA M  BORIS → American Stoneworks LLC → Golden Valley 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** American Stoneworks LLC → Golden Valley Mine; 2002-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CRAIG R  BORIS  ET AL → Golden Valley Mine; 2002-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRAIG R  BORIS  ET AL → American Stoneworks LLC; 2002-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** PATRICIA M  BORIS  ET AL → American Stoneworks LLC; 2002-08-28 to current/open; source msha-controller-operator-history