# Relationship history for MSHA mine 2902575

Current hierarchy: **Veronica  Pacheco; Joshua J Pacheco → Pacheco Construction & Trucking, Inc → Erwin Pit Two**

- 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:** Albert  Pacheco → Erwin Pit Two; 1990-11-01 to 2021-05-06; source msha-controller-operator-history
- **controller_controls_mine:** Joshua J Pacheco et al → Erwin Pit Two; 2021-05-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pacheco Construction & Trucking, Inc → Erwin Pit Two; 2026-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joshua J Pacheco et al → Pacheco Construction & Trucking, Inc; 2026-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Veronica  Pacheco et al → Pacheco Construction & Trucking, Inc; 2026-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Albert  Pacheco → Pacheco Construction & Trucking, Inc; 2026-01-28 to 2021-05-06; source msha-controller-operator-history