# Relationship history for MSHA mine 2902357

Current hierarchy: **Golconda Gold Ltd → Summit Gold Corporation → Banner Mill Site**

- 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:** Lordsburg Mining Company → Banner Mill Site; 2008-02-28 to 2016-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Santa Fe Gold Corporation → Banner Mill Site; 2008-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Santa Fe Gold Corporation → Lordsburg Mining Company; 2008-02-28 to 2016-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Pyramid Peak Mining, LLC → Banner Mill Site; 2016-04-01 to 2021-05-18; source msha-controller-operator-history
- **controller_controls_mine:** Waterton Global Resource Management Cayman Corp → Banner Mill Site; 2016-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Waterton Global Resource Management Cayman Corp → Pyramid Peak Mining, LLC; 2016-04-01 to 2021-05-18; source msha-controller-operator-history
- **operator_operates_mine:** Summit Gold Corporation → Banner Mill Site; 2021-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Golconda Gold Ltd → Banner Mill Site; 2021-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Golconda Gold Ltd → Summit Gold Corporation; 2021-05-19 to current/open; source msha-controller-operator-history
