# Relationship history for MSHA mine 0300052

Current hierarchy: **Kevin S  Thomas; Michelle K  Thomas → Thomas Crushing LLC → Love Hollow 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

- **operator_operates_mine:** Arkansas Lime Company → Love Hollow Quarry; 1950-01-01 to 2022-03-08; source msha-controller-operator-history
- **controller_controls_mine:** Rangaire Corp → Love Hollow Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rangaire Corp → Arkansas Lime Company; 1950-01-01 to 2022-03-08; source msha-controller-operator-history
- **controller_controls_mine:** Kevin S  Thomas et al → Love Hollow Quarry; 2014-01-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** David Love Dozing LLC → Love Hollow Quarry; 2022-03-09 to 2023-06-18; source msha-controller-operator-history
- **controller_controls_mine:** David  Love → Love Hollow Quarry; 2022-03-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Love → David Love Dozing LLC; 2022-03-09 to 2023-06-18; source msha-controller-operator-history
- **operator_operates_mine:** Thomas Crushing LLC → Love Hollow Quarry; 2023-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin S  Thomas et al → Thomas Crushing LLC; 2023-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michelle K  Thomas et al → Thomas Crushing LLC; 2023-06-19 to current/open; source msha-controller-operator-history