# Relationship history for MSHA mine 2902512

Current hierarchy: **Claudette E Encinias; Gerald  Encinias → Green Arrow Septic Pumping, LLC → Baca Pit**

- 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:** Green Arrow Septic Pumping, LLC → Baca Pit; 2020-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Claudette E Encinias et al → Baca Pit; 2020-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Claudette E Encinias et al → Green Arrow Septic Pumping, LLC; 2020-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerald  Encinias et al → Green Arrow Septic Pumping, LLC; 2020-05-01 to current/open; source msha-controller-operator-history