# Relationship history for MSHA mine 1002177

Current hierarchy: **CL Fertilizers Holding LLC → ITAFOS Conda LLC → Rasmussen Valley Mine**

- 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

- **controller_controls_mine:** Agrium Inc → Rasmussen Valley Mine; 1998-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Nu-West Industries Inc → Rasmussen Valley Mine; 2009-02-04 to 2018-01-11; source msha-controller-operator-history
- **controller_controls_operator:** Agrium Inc → Nu-West Industries Inc; 2009-02-04 to 2018-01-11; source msha-controller-operator-history
- **operator_operates_mine:** ITAFOS Conda LLC → Rasmussen Valley Mine; 2018-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CL Fertilizers Holding LLC → Rasmussen Valley Mine; 2018-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CL Fertilizers Holding LLC → ITAFOS Conda LLC; 2018-01-12 to current/open; source msha-controller-operator-history