# Relationship history for MSHA mine 2601835

Current hierarchy: **Haggard M C → Gold Canyon Inc → Gold Canyon Incorporated**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** International Tungsten & Minerals Corp Inc → Gold Canyon Incorporated; 1983-04-01 to 1984-08-29; source msha-controller-operator-history
- **controller_controls_mine:** Hudson Walter W → Gold Canyon Incorporated; 1983-04-01 to 1984-08-29; source msha-controller-operator-history
- **controller_controls_operator:** Hudson Walter W → International Tungsten & Minerals Corp Inc; 1983-04-01 to 1984-08-29; source msha-controller-operator-history
- **operator_operates_mine:** Gold Canyon Inc → Gold Canyon Incorporated; 1984-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Haggard M C → Gold Canyon Incorporated; 1984-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Haggard M C → Gold Canyon Inc; 1984-08-30 to current/open; source msha-controller-operator-history