# Relationship history for MSHA mine 2902416

Current hierarchy: **Matt J Miller → Galisteo River Sand & Gravel → Golisteo River Sand & Gravel**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Nash Gold Trucking → Golisteo River Sand & Gravel; 2011-09-15 to 2017-05-10; source msha-controller-operator-history
- **controller_controls_mine:** Nash B  Gold → Golisteo River Sand & Gravel; 2011-09-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nash B  Gold → Nash Gold Trucking; 2011-09-15 to 2017-05-10; source msha-controller-operator-history
- **operator_operates_mine:** Galisteo River Sand & Gravel → Golisteo River Sand & Gravel; 2017-05-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Matt J Miller → Golisteo River Sand & Gravel; 2017-05-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matt J Miller → Galisteo River Sand & Gravel; 2017-05-11 to current/open; source msha-controller-operator-history