# Relationship history for MSHA mine 4202596

Current hierarchy: **Gary W  Gillespie → Century Gold Mining & Milling Co. Inc. → Century**

- 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:** Century Gold Mining & Milling Co. Inc. → Century; 2012-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gary W  Gillespie → Century; 2012-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary W  Gillespie → Century Gold Mining & Milling Co. Inc.; 2012-09-04 to current/open; source msha-controller-operator-history