# Relationship history for MSHA mine 2602314

Current hierarchy: **Hecla Mining Company → Klondex Midas Operations, Inc. → Midas 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

- **controller_controls_mine:** Newmont Corporation → Midas Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Midas Joint Venture → Midas Mine; 1997-02-01 to 1998-12-16; source msha-controller-operator-history
- **controller_controls_mine:** Franco-Nevada Mining Corp Ltd → Midas Mine; 1997-02-01 to 1998-12-16; source msha-controller-operator-history
- **controller_controls_operator:** Franco-Nevada Mining Corp Ltd → Midas Joint Venture; 1997-02-01 to 1998-12-16; source msha-controller-operator-history
- **operator_operates_mine:** Dynatec Mining Corp → Midas Mine; 1998-12-17 to 2001-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Dynatec Corp → Midas Mine; 1998-12-17 to 2008-03-03; source msha-controller-operator-history
- **controller_controls_operator:** Dynatec Corp → Dynatec Mining Corp; 1998-12-17 to 2001-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Normandy Midas Operations Inc → Midas Mine; 2001-10-01 to 2002-08-05; source msha-controller-operator-history
- **controller_controls_mine:** Normandy Mining Limited → Midas Mine; 2001-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Normandy Mining Limited → Normandy Midas Operations Inc; 2001-10-01 to 2002-08-05; source msha-controller-operator-history
- **operator_operates_mine:** Newmont Midas Operations → Midas Mine; 2002-08-06 to 2008-01-10; source msha-controller-operator-history
- **controller_controls_mine:** Newmont Corporation → Midas Mine; 2002-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Newmont Corporation → Newmont Midas Operations; 2002-08-06 to 2008-01-10; source msha-controller-operator-history
- **operator_operates_mine:** Newmont USA Limited → Midas Mine; 2008-01-11 to 2014-02-10; source msha-controller-operator-history
- **controller_controls_operator:** Newmont Corporation → Newmont USA Limited; 2008-01-11 to 2014-02-10; source msha-controller-operator-history
- **controller_controls_mine:** FNX Incorporated → Midas Mine; 2008-03-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** FNX Incorporated → Dynatec Mining Corp; 2008-03-04 to 2001-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Klondex Midas Operations, Inc. → Midas Mine; 2014-02-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Klondex Mines Ltd → Midas Mine; 2014-02-11 to 2018-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Klondex Mines Ltd → Klondex Midas Operations, Inc.; 2014-02-11 to 2018-07-22; source msha-controller-operator-history
- **controller_controls_mine:** Hecla Mining Company → Midas Mine; 2018-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hecla Mining Company → Klondex Midas Operations, Inc.; 2018-07-23 to current/open; source msha-controller-operator-history