# Relationship history for MSHA mine 0203078

Current hierarchy: **Daniel  Eyde → GSA Resources, Inc. → Grace Chabazite 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:** GSA Resources, Inc. → Grace Chabazite Mine; 2005-02-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daniel  Eyde → Grace Chabazite Mine; 2005-02-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Eyde → GSA Resources, Inc.; 2005-02-23 to current/open; source msha-controller-operator-history