# Relationship history for MSHA mine 2900175

Current hierarchy: **Intrepid Potash Inc → Intrepid Potash-New Mexico, LLC → Intrepid Potash West**

- 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:** Mississippi Potash Inc → Intrepid Potash West; 1950-01-01 to 2004-02-29; source msha-controller-operator-history
- **controller_controls_mine:** Mississippi Chemical Corp → Intrepid Potash West; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mississippi Chemical Corp → Mississippi Potash Inc; 1950-01-01 to 2004-02-29; source msha-controller-operator-history
- **operator_operates_mine:** Intrepid Potash-New Mexico, LLC → Intrepid Potash West; 2004-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hugh E  Harvey et al → Intrepid Potash West; 2004-03-01 to 2022-02-25; source msha-controller-operator-history
- **controller_controls_operator:** Hugh E  Harvey et al → Intrepid Potash-New Mexico, LLC; 2004-03-01 to 2022-02-25; source msha-controller-operator-history
- **controller_controls_mine:** Robert P  Jornayvaz III → Intrepid Potash West; 2022-02-26 to 2025-01-16; source msha-controller-operator-history
- **controller_controls_operator:** Robert P  Jornayvaz III → Intrepid Potash-New Mexico, LLC; 2022-02-26 to 2025-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Intrepid Potash Inc → Intrepid Potash West; 2025-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Intrepid Potash Inc → Intrepid Potash-New Mexico, LLC; 2025-01-17 to current/open; source msha-controller-operator-history