# Relationship history for MSHA mine 4609357

Current hierarchy: **Cleveland-Cliffs Inc → Prime Processing, Inc. → Eckman Plant**

- 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

- **controller_controls_mine:** Steven W  Haynes et al → Eckman Plant; 2004-10-01 to 2008-06-30; source msha-controller-operator-history
- **controller_controls_mine:** ArcelorMittal → Eckman Plant; 2008-07-01 to 2020-12-08; source msha-controller-operator-history
- **operator_operates_mine:** Prime Processing, Inc. → Eckman Plant; 2009-10-14 to 2009-11-05; source msha-controller-operator-history
- **controller_controls_operator:** ArcelorMittal → Prime Processing, Inc.; 2009-10-14 to 2009-11-05; source msha-controller-operator-history
- **controller_controls_operator:** Steven W  Haynes et al → Prime Processing, Inc.; 2009-10-14 to 2008-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Cougar Processing LLC → Eckman Plant; 2009-11-06 to 2015-01-29; source msha-controller-operator-history
- **controller_controls_mine:** Vicky L  Martin et al → Eckman Plant; 2009-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vicky L  Martin et al → Cougar Processing LLC; 2009-11-06 to 2015-01-29; source msha-controller-operator-history
- **controller_controls_operator:** Kristie K  Janutolo et al → Cougar Processing LLC; 2009-11-06 to 2015-01-29; source msha-controller-operator-history
- **operator_operates_mine:** DRA Taggart Site Services, LLC → Eckman Plant; 2015-01-30 to 2015-12-27; source msha-controller-operator-history
- **controller_controls_mine:** DRA Global Holdings Proprietary LTD → Eckman Plant; 2015-01-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** DRA Global Holdings Proprietary LTD → DRA Taggart Site Services, LLC; 2015-01-30 to 2015-12-27; source msha-controller-operator-history
- **operator_operates_mine:** Prime Processing, Inc. → Eckman Plant; 2015-12-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** ArcelorMittal → Prime Processing, Inc.; 2015-12-28 to 2020-12-08; source msha-controller-operator-history
- **controller_controls_operator:** Steven W  Haynes et al → Prime Processing, Inc.; 2015-12-28 to 2008-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Cleveland-Cliffs Inc → Eckman Plant; 2020-12-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cleveland-Cliffs Inc → Prime Processing, Inc.; 2020-12-09 to 2009-11-05; source msha-controller-operator-history
- **controller_controls_operator:** Cleveland-Cliffs Inc → Prime Processing, Inc.; 2020-12-09 to current/open; source msha-controller-operator-history