# Relationship history for MSHA mine 2601857

Current hierarchy: **Docktor Scott → New Gold Inc → RELIEF CANYON**

- 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:** Lacana Gold Inc → RELIEF CANYON; 1983-07-01 to 1986-08-04; source msha-controller-operator-history
- **controller_controls_mine:** Corona Corp → RELIEF CANYON; 1983-07-01 to 1986-08-04; source msha-controller-operator-history
- **controller_controls_operator:** Corona Corp → Lacana Gold Inc; 1983-07-01 to 1986-08-04; source msha-controller-operator-history
- **controller_controls_mine:** Apollo Gold Corporation → RELIEF CANYON; 1986-02-01 to 2005-12-14; source msha-controller-operator-history
- **operator_operates_mine:** Florida Canyon Mining Inc → RELIEF CANYON; 1986-08-05 to 1991-09-08; source msha-controller-operator-history
- **controller_controls_operator:** Apollo Gold Corporation → Florida Canyon Mining Inc; 1986-08-05 to 1991-09-08; source msha-controller-operator-history
- **operator_operates_mine:** J D Welsh & Associates Inc → RELIEF CANYON; 1991-09-09 to 1995-01-09; source msha-controller-operator-history
- **controller_controls_mine:** Welsh J D & Associates Inc → RELIEF CANYON; 1991-09-09 to 1995-01-09; source msha-controller-operator-history
- **controller_controls_operator:** Welsh J D & Associates Inc → J D Welsh & Associates Inc; 1991-09-09 to 1995-01-09; source msha-controller-operator-history
- **operator_operates_mine:** New Gold Inc → RELIEF CANYON; 1995-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Docktor Scott → RELIEF CANYON; 1995-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Docktor Scott → New Gold Inc; 1995-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jipangu International → RELIEF CANYON; 2005-12-15 to 2016-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Jipangu International → Florida Canyon Mining Inc; 2005-12-15 to 1991-09-08; source msha-controller-operator-history
- **controller_controls_mine:** Rye Patch Gold Corporation → RELIEF CANYON; 2016-07-29 to 2018-05-24; source msha-controller-operator-history
- **controller_controls_operator:** Rye Patch Gold Corporation → Florida Canyon Mining Inc; 2016-07-29 to 1991-09-08; source msha-controller-operator-history
- **controller_controls_mine:** Alio Gold Incorporated → RELIEF CANYON; 2018-05-25 to 2020-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Alio Gold Incorporated → Florida Canyon Mining Inc; 2018-05-25 to 1991-09-08; source msha-controller-operator-history
- **controller_controls_mine:** Argonaut Gold → RELIEF CANYON; 2020-07-01 to 2024-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Argonaut Gold → Florida Canyon Mining Inc; 2020-07-01 to 1991-09-08; source msha-controller-operator-history
- **controller_controls_mine:** Alio Gold Incorporated → RELIEF CANYON; 2024-07-22 to 2025-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Alio Gold Incorporated → Florida Canyon Mining Inc; 2024-07-22 to 1991-09-08; source msha-controller-operator-history
- **controller_controls_mine:** Integra Resources Corp. → RELIEF CANYON; 2025-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Integra Resources Corp. → Florida Canyon Mining Inc; 2025-06-01 to 1991-09-08; source msha-controller-operator-history