# Relationship history for MSHA mine 3607688

Current hierarchy: **J Clifford  Forrest III → Rosebud Mining Company → Clymer Prep 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** J Clifford  Forrest III → Clymer Prep Plant; 1979-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kerry L  Mears → Clymer Prep Plant; 1980-01-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mears Enterprises Inc → Clymer Prep Plant; 1985-04-01 to 2000-07-10; source msha-controller-operator-history
- **controller_controls_operator:** Kerry L  Mears → Mears Enterprises Inc; 1985-04-01 to 2000-07-10; source msha-controller-operator-history
- **controller_controls_mine:** CQ Incorporated → Clymer Prep Plant; 1999-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fuelmakers Inc → Clymer Prep Plant; 2000-07-11 to 2001-07-31; source msha-controller-operator-history
- **controller_controls_operator:** CQ Incorporated → Fuelmakers Inc; 2000-07-11 to 2001-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Mears Enterprise Inc. → Clymer Prep Plant; 2001-08-01 to 2003-11-16; source msha-controller-operator-history
- **controller_controls_operator:** Kerry L  Mears → Mears Enterprise Inc.; 2001-08-01 to 2003-11-16; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Clymer Prep Plant; 2003-03-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** AMFIRE Mining Company LLC → Clymer Prep Plant; 2003-11-17 to 2014-12-29; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → AMFIRE Mining Company LLC; 2003-11-17 to 2014-12-29; source msha-controller-operator-history
- **operator_operates_mine:** Rosebud Mining Company → Clymer Prep Plant; 2014-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Clifford  Forrest III → Rosebud Mining Company; 2014-12-30 to current/open; source msha-controller-operator-history