# Relationship history for MSHA mine 2902560

Current hierarchy: **Raymond  Olivas; Saloman  Olivas → El Rancho Escondido, LLC → El Rancho Escondido**

- 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:** El Rancho Escondido, LLC → El Rancho Escondido; 2024-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Saloman  Olivas et al → El Rancho Escondido; 2024-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Saloman  Olivas et al → El Rancho Escondido, LLC; 2024-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Raymond  Olivas et al → El Rancho Escondido, LLC; 2024-04-13 to current/open; source msha-controller-operator-history