# Relationship history for MSHA mine 2602639

Current hierarchy: **Enos L Vega; Michael  Vega; Gerald R Vega → VEGA CONSTRUCTION & TRUCKING, LLC → Wash Plant**

- 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:** Michael W  Lattin → Wash Plant; 1997-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Canyon Construction Co → Wash Plant; 2008-03-31 to 2013-06-26; source msha-controller-operator-history
- **controller_controls_operator:** Michael W  Lattin → Canyon Construction Co; 2008-03-31 to 2013-06-26; source msha-controller-operator-history
- **operator_operates_mine:** VEGA CONSTRUCTION & TRUCKING → Wash Plant; 2013-06-27 to 2021-04-07; source msha-controller-operator-history
- **controller_controls_mine:** Michael W  Lattin → Wash Plant; 2013-06-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael W  Lattin → VEGA CONSTRUCTION & TRUCKING; 2013-06-27 to 2021-04-07; source msha-controller-operator-history
- **operator_operates_mine:** VEGA CONSTRUCTION & TRUCKING, LLC → Wash Plant; 2021-04-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Enos L Vega et al → Wash Plant; 2022-04-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Enos L Vega et al → VEGA CONSTRUCTION & TRUCKING, LLC; 2022-04-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Vega et al → VEGA CONSTRUCTION & TRUCKING, LLC; 2022-04-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerald R Vega et al → VEGA CONSTRUCTION & TRUCKING, LLC; 2022-04-08 to current/open; source msha-controller-operator-history