# Relationship history for MSHA mine 5001499

Current hierarchy: **Golden Sitka Resources Inc → Sitka Gold Inc → Chichagof**

- 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:** Exploration Ventures → Chichagof; 1986-04-01 to 1988-04-03; source msha-controller-operator-history
- **controller_controls_mine:** Hite John → Chichagof; 1986-04-01 to 1988-04-03; source msha-controller-operator-history
- **controller_controls_operator:** Hite John → Exploration Ventures; 1986-04-01 to 1988-04-03; source msha-controller-operator-history
- **operator_operates_mine:** Sitka Gold Inc → Chichagof; 1988-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Golden Sitka Resources Inc → Chichagof; 1988-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Golden Sitka Resources Inc → Sitka Gold Inc; 1988-04-04 to current/open; source msha-controller-operator-history