# Relationship history for MSHA mine 2602235

Current hierarchy: **Hecla Mining Company → Klondex Aurora Mine Inc → Aurora**

- 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

- **controller_controls_mine:** Real Del Monte Mining Corp → Aurora; 1986-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Nevada Goldfields Inc → Aurora; 1993-05-01 to 2000-03-16; source msha-controller-operator-history
- **controller_controls_operator:** Real Del Monte Mining Corp → Nevada Goldfields Inc; 1993-05-01 to 2000-03-16; source msha-controller-operator-history
- **operator_operates_mine:** Metallic Ventures (U.S.), Inc. → Aurora; 2000-03-17 to 2009-01-14; source msha-controller-operator-history
- **controller_controls_mine:** Metallic Ventures Gold Inc → Aurora; 2000-03-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metallic Ventures Gold Inc → Metallic Ventures (U.S.), Inc.; 2000-03-17 to 2009-01-14; source msha-controller-operator-history
- **operator_operates_mine:** Antler Peak Gold Inc → Aurora; 2009-01-15 to 2013-05-19; source msha-controller-operator-history
- **controller_controls_mine:** Great Basin Gold Limited → Aurora; 2009-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Great Basin Gold Limited → Antler Peak Gold Inc; 2009-01-15 to 2013-05-19; source msha-controller-operator-history
- **operator_operates_mine:** Carlin Resources, LLC → Aurora; 2013-05-20 to 2016-10-03; source msha-controller-operator-history
- **controller_controls_mine:** Waterton Global Resource Management Cayman Corp → Aurora; 2013-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Waterton Global Resource Management Cayman Corp → Carlin Resources, LLC; 2013-05-20 to 2016-10-03; source msha-controller-operator-history
- **operator_operates_mine:** Klondex Aurora Mine Inc → Aurora; 2016-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Klondex Mines Ltd → Aurora; 2016-10-04 to 2018-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Klondex Mines Ltd → Klondex Aurora Mine Inc; 2016-10-04 to 2018-07-22; source msha-controller-operator-history
- **controller_controls_mine:** Hecla Mining Company → Aurora; 2018-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hecla Mining Company → Klondex Aurora Mine Inc; 2018-07-23 to current/open; source msha-controller-operator-history