# Relationship history for MSHA mine 4603341

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

- 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:** Pocahontas Fuel Company → Eckman Loadout; 1950-01-01 to 1974-12-31; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Eckman Loadout; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Pocahontas Fuel Company; 1950-01-01 to 1974-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Patsy Trucking Company Inc → Eckman Loadout; 1975-01-01 to 1992-08-16; source msha-controller-operator-history
- **controller_controls_mine:** Clovis  Cox → Eckman Loadout; 1975-01-01 to 1992-08-16; source msha-controller-operator-history
- **controller_controls_operator:** Clovis  Cox → Patsy Trucking Company Inc; 1975-01-01 to 1992-08-16; source msha-controller-operator-history
- **controller_controls_mine:** Richard G  Preservati II → Eckman Loadout; 1986-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steven W  Haynes et al → Eckman Loadout; 1989-11-01 to 2008-09-15; source msha-controller-operator-history
- **operator_operates_mine:** Ritchie Equipment Inc → Eckman Loadout; 1992-08-17 to 1996-05-22; source msha-controller-operator-history
- **controller_controls_operator:** Richard G  Preservati II → Ritchie Equipment Inc; 1992-08-17 to 1996-05-22; source msha-controller-operator-history
- **operator_operates_mine:** Premium Processing Inc → Eckman Loadout; 1996-05-23 to 1998-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Timothy  Boggess → Eckman Loadout; 1996-05-23 to 1998-08-02; source msha-controller-operator-history
- **controller_controls_operator:** Timothy  Boggess → Premium Processing Inc; 1996-05-23 to 1998-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Richard G  Preservati et al → Eckman Loadout; 1997-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Horizon Natural Resources Incorporated → Eckman Loadout; 1997-11-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Premium Processing Inc → Eckman Loadout; 1998-08-03 to 2004-06-10; source msha-controller-operator-history
- **controller_controls_operator:** Horizon Natural Resources Incorporated → Premium Processing Inc; 1998-08-03 to 2004-06-10; source msha-controller-operator-history
- **operator_operates_mine:** Extra Energy, Inc. → Eckman Loadout; 2004-06-11 to 2004-07-04; source msha-controller-operator-history
- **controller_controls_operator:** Steven W  Haynes et al → Extra Energy, Inc.; 2004-06-11 to 2004-07-04; source msha-controller-operator-history
- **operator_operates_mine:** Regal Rock, Inc. → Eckman Loadout; 2004-07-05 to 2004-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Richard G  Preservati et al → Regal Rock, Inc.; 2004-07-05 to 2004-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Nancy K  Preservati et al → Regal Rock, Inc.; 2004-07-05 to 2004-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Prime Processing, Inc. → Eckman Loadout; 2004-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steven W  Haynes et al → Eckman Loadout; 2004-10-01 to 2008-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Steven W  Haynes et al → Prime Processing, Inc.; 2004-10-01 to 2008-06-30; source msha-controller-operator-history
- **controller_controls_mine:** ArcelorMittal → Eckman Loadout; 2008-07-01 to 2020-12-08; source msha-controller-operator-history
- **controller_controls_operator:** ArcelorMittal → Prime Processing, Inc.; 2008-07-01 to 2020-12-08; source msha-controller-operator-history
- **controller_controls_mine:** ArcelorMittal → Eckman Loadout; 2008-09-16 to 2020-12-08; source msha-controller-operator-history
- **controller_controls_operator:** ArcelorMittal → Extra Energy, Inc.; 2008-09-16 to 2004-07-04; source msha-controller-operator-history
- **controller_controls_mine:** Cleveland-Cliffs Inc → Eckman Loadout; 2020-12-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cleveland-Cliffs Inc → Extra Energy, Inc.; 2020-12-09 to 2004-07-04; 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