# Relationship history for MSHA mine 2902190

Current hierarchy: **Harold F Dominguez; Sharon P Dominguez → Harolds Grading & Trucking → Harolds Grading & Trucking**

- 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:** Harold'S Grading & Trucking → Harolds Grading & Trucking; 1999-06-01 to 2006-12-04; source msha-controller-operator-history
- **controller_controls_mine:** Harold  Dominguez et al → Harolds Grading & Trucking; 1999-06-01 to 2015-12-10; source msha-controller-operator-history
- **controller_controls_operator:** Harold  Dominguez et al → Harold'S Grading & Trucking; 1999-06-01 to 2006-12-04; source msha-controller-operator-history
- **controller_controls_operator:** Wayne  Dominguez et al → Harold'S Grading & Trucking; 1999-06-01 to 2006-12-04; source msha-controller-operator-history
- **operator_operates_mine:** Punch LLC → Harolds Grading & Trucking; 2006-12-05 to 2015-12-10; source msha-controller-operator-history
- **controller_controls_mine:** Wayne  Dominguez et al → Harolds Grading & Trucking; 2006-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wayne  Dominguez et al → Punch LLC; 2006-12-05 to 2015-12-10; source msha-controller-operator-history
- **controller_controls_operator:** Harold  Dominguez et al → Punch LLC; 2006-12-05 to 2015-12-10; source msha-controller-operator-history
- **controller_controls_mine:** Sharon P Dominguez et al → Harolds Grading & Trucking; 2015-12-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sharon P Dominguez et al → Harold'S Grading & Trucking; 2015-12-11 to 2006-12-04; source msha-controller-operator-history
- **controller_controls_operator:** Harold F Dominguez et al → Harold'S Grading & Trucking; 2015-12-11 to 2006-12-04; source msha-controller-operator-history
- **operator_operates_mine:** Harolds Grading & Trucking → Harolds Grading & Trucking; 2015-12-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sharon P Dominguez et al → Harolds Grading & Trucking; 2015-12-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harold F Dominguez et al → Harolds Grading & Trucking; 2015-12-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wayne  Dominguez et al → Harolds Grading & Trucking; 2015-12-11 to 2015-12-10; source msha-controller-operator-history
- **controller_controls_operator:** Harold  Dominguez et al → Harolds Grading & Trucking; 2015-12-11 to 2015-12-10; source msha-controller-operator-history