# Relationship history for MSHA mine 2900802

Current hierarchy: **International Minerals Carlsbad LLC → International Minerals Carlsbad, Inc. → International Minerals Carlsbad, Inc.**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** International Minerals Carlsbad, Inc. → International Minerals Carlsbad, Inc.; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** IMC Global Inc → International Minerals Carlsbad, Inc.; 1950-01-01 to 2004-10-22; source msha-controller-operator-history
- **controller_controls_operator:** IMC Global Inc → International Minerals Carlsbad, Inc.; 1950-01-01 to 2004-10-22; source msha-controller-operator-history
- **controller_controls_mine:** Mosaic Company → International Minerals Carlsbad, Inc.; 2004-10-23 to 2026-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Mosaic Company → International Minerals Carlsbad, Inc.; 2004-10-23 to 2026-04-30; source msha-controller-operator-history
- **controller_controls_mine:** International Minerals Carlsbad LLC → International Minerals Carlsbad, Inc.; 2026-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** International Minerals Carlsbad LLC → International Minerals Carlsbad, Inc.; 2026-05-01 to current/open; source msha-controller-operator-history