# Relationship history for MSHA mine 0200843

Current hierarchy: **Waterton Global Resource Management Cayman Corp → Origin Mining Company, LLC. → Mineral Park**

- 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:** Duval Corp → Mineral Park; 1950-01-01 to 1986-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Pennzoil Company → Mineral Park; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pennzoil Company → Duval Corp; 1950-01-01 to 1986-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Cyprus Mineral Park Corp → Mineral Park; 1986-04-01 to 1997-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Cyprus Amax Minerals Company → Mineral Park; 1986-04-01 to 1997-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Cyprus Amax Minerals Company → Cyprus Mineral Park Corp; 1986-04-01 to 1997-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Mineral Park Inc. → Mineral Park; 1997-10-01 to 2015-01-22; source msha-controller-operator-history
- **controller_controls_mine:** Equatorial Mining N L → Mineral Park; 1997-10-01 to 2003-06-24; source msha-controller-operator-history
- **controller_controls_operator:** Equatorial Mining N L → Mineral Park Inc.; 1997-10-01 to 2003-06-24; source msha-controller-operator-history
- **controller_controls_mine:** Mercator Minerals Ltd → Mineral Park; 2003-06-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mercator Minerals Ltd → Mineral Park Inc.; 2003-06-25 to 2015-01-22; source msha-controller-operator-history
- **operator_operates_mine:** Origin Mining Company, LLC. → Mineral Park; 2015-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Waterton Global Resource Management Cayman Corp → Mineral Park; 2015-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Waterton Global Resource Management Cayman Corp → Origin Mining Company, LLC.; 2015-01-23 to current/open; source msha-controller-operator-history