# Relationship history for MSHA mine 4202578

Current hierarchy: **Henry Mountain Company, LLC → Pandora Mineral Resources LLC → Golden Eagle Mine/ Pandora Mill**

- 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:** Greentech Mining Utah LLC → Golden Eagle Mine/ Pandora Mill; 2012-02-14 to 2015-12-15; source msha-controller-operator-history
- **controller_controls_mine:** Matthew J  Neher → Golden Eagle Mine/ Pandora Mill; 2012-02-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matthew J  Neher → Greentech Mining Utah LLC; 2012-02-14 to 2015-12-15; source msha-controller-operator-history
- **operator_operates_mine:** Pandora Mineral Resources LLC → Golden Eagle Mine/ Pandora Mill; 2015-12-16 to 2019-09-08; source msha-controller-operator-history
- **controller_controls_mine:** Milton A  Turner et al → Golden Eagle Mine/ Pandora Mill; 2015-12-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Milton A  Turner et al → Pandora Mineral Resources LLC; 2015-12-16 to 2019-09-08; source msha-controller-operator-history
- **controller_controls_operator:** Don  Stansberry et al → Pandora Mineral Resources LLC; 2015-12-16 to 2019-09-08; source msha-controller-operator-history
- **operator_operates_mine:** Pandora Mineral Resources LLC → Golden Eagle Mine/ Pandora Mill; 2019-09-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Henry Mountain Company, LLC → Golden Eagle Mine/ Pandora Mill; 2019-09-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Henry Mountain Company, LLC → Pandora Mineral Resources LLC; 2019-09-09 to current/open; source msha-controller-operator-history