# Relationship history for MSHA mine 5001957

Current hierarchy: **Dana Blair  Geyer → Quasar Gold Corp → Wild Goose**

- 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:** Billy M Dobson → Wild Goose; 2012-05-21 to 2016-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Jason H  Dobson → Wild Goose; 2012-05-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason H  Dobson → Billy M Dobson; 2012-05-21 to 2016-06-30; source msha-controller-operator-history
- **operator_operates_mine:** North Star Mining → Wild Goose; 2016-07-01 to 2024-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Hopper Jr et al → Wild Goose; 2016-07-01 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Hopper Jr et al → North Star Mining; 2016-07-01 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Joseph J Hannah et al → North Star Mining; 2016-07-01 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Noble Casing, Inc et al → Wild Goose; 2017-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Noble Casing, Inc et al → North Star Mining; 2017-01-01 to 2024-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Arowe, Inc et al → North Star Mining; 2017-01-01 to 2024-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Shirley Bar Gold Group, LLC et al → North Star Mining; 2017-01-01 to 2024-08-11; source msha-controller-operator-history
- **operator_operates_mine:** Quasar Gold Corp → Wild Goose; 2024-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dana Blair  Geyer → Wild Goose; 2024-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dana Blair  Geyer → Quasar Gold Corp; 2024-08-12 to current/open; source msha-controller-operator-history