# Relationship history for MSHA mine 4002899

Current hierarchy: **Rogers Group Inc → Rogers Group Inc. → Caryville Quarry**

- 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:** Rogers Group Inc → Caryville Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Caryville Limestone Company → Caryville Quarry; 1985-09-01 to 1996-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Dennis  Potter → Caryville Quarry; 1985-09-01 to 1996-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Dennis  Potter → Caryville Limestone Company; 1985-09-01 to 1996-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Caryville Stone L L C → Caryville Quarry; 1996-08-01 to 2003-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Donna R  Mc Allister  et al → Caryville Quarry; 1996-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donna R  Mc Allister  et al → Caryville Stone L L C; 1996-08-01 to 2003-11-30; source msha-controller-operator-history
- **controller_controls_operator:** W T  Ratliff Jr  et al → Caryville Stone L L C; 1996-08-01 to 2003-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Tennessee Aggregate Company, LLC → Caryville Quarry; 2003-12-01 to 2008-07-02; source msha-controller-operator-history
- **controller_controls_mine:** W T  Ratliff Jr  et al → Caryville Quarry; 2003-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** W T  Ratliff Jr  et al → Tennessee Aggregate Company, LLC; 2003-12-01 to 2008-07-02; source msha-controller-operator-history
- **controller_controls_operator:** Donna R  Mc Allister  et al → Tennessee Aggregate Company, LLC; 2003-12-01 to 2008-07-02; source msha-controller-operator-history
- **operator_operates_mine:** Rogers Group Inc. → Caryville Quarry; 2008-07-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rogers Group Inc → Rogers Group Inc.; 2008-07-03 to current/open; source msha-controller-operator-history