# Relationship history for MSHA mine 2002844

Current hierarchy: **Aaron A  Dubs; Wayne A  Dubs → Yaroch Paving & Asphalt LLC → Yaroch Paving & Asphalt LLC**

- 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:** Yaroch Asphalt → Yaroch Paving & Asphalt LLC; 1990-06-01 to 2000-05-07; source msha-controller-operator-history
- **controller_controls_mine:** Dennis  Herford → Yaroch Paving & Asphalt LLC; 1990-06-01 to 2000-05-07; source msha-controller-operator-history
- **controller_controls_operator:** Dennis  Herford → Yaroch Asphalt; 1990-06-01 to 2000-05-07; source msha-controller-operator-history
- **operator_operates_mine:** Yaroch Asphalt Llc → Yaroch Paving & Asphalt LLC; 2000-05-08 to 2006-07-04; source msha-controller-operator-history
- **controller_controls_mine:** Bryn  Tamblyn → Yaroch Paving & Asphalt LLC; 2000-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bryn  Tamblyn → Yaroch Asphalt Llc; 2000-05-08 to 2006-07-04; source msha-controller-operator-history
- **operator_operates_mine:** Yaroch Paving & Asphalt LLC → Yaroch Paving & Asphalt LLC; 2006-07-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wayne A  Dubs et al → Yaroch Paving & Asphalt LLC; 2006-07-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wayne A  Dubs et al → Yaroch Paving & Asphalt LLC; 2006-07-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aaron A  Dubs et al → Yaroch Paving & Asphalt LLC; 2006-07-05 to current/open; source msha-controller-operator-history