# Relationship history for MSHA mine 4200059

Current hierarchy: **Mc Neil Charles S → Peak Minerals Inc → Trace Mine #1**

- 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:** Azome Utah Mining Company Inc → Trace Mine #1; 1950-01-01 to 1979-02-26; source msha-controller-operator-history
- **controller_controls_mine:** Anderson Rollin J → Trace Mine #1; 1950-01-01 to 1988-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Anderson Rollin J → Azome Utah Mining Company Inc; 1950-01-01 to 1979-02-26; source msha-controller-operator-history
- **operator_operates_mine:** Geodynamics Inc → Trace Mine #1; 1979-02-27 to 1980-11-06; source msha-controller-operator-history
- **controller_controls_mine:** Kemp Jim → Trace Mine #1; 1979-02-27 to 1980-11-06; source msha-controller-operator-history
- **controller_controls_operator:** Kemp Jim → Geodynamics Inc; 1979-02-27 to 1980-11-06; source msha-controller-operator-history
- **operator_operates_mine:** Azome Utah Mining Company Inc → Trace Mine #1; 1980-11-07 to 1988-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Anderson Rollin J → Azome Utah Mining Company Inc; 1980-11-07 to 1988-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Peak Minerals Inc → Trace Mine #1; 1988-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mc Neil Charles S → Trace Mine #1; 1988-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mc Neil Charles S → Peak Minerals Inc; 1988-11-01 to current/open; source msha-controller-operator-history