# Relationship history for MSHA mine 0801455

Current hierarchy: **Santiago  Reyes; Jose  Ramos → R & R HARVESTING INC → R & R Mine**

- 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:** R & R HARVESTING INC → R & R Mine; 2023-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jose  Ramos et al → R & R Mine; 2023-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jose  Ramos et al → R & R HARVESTING INC; 2023-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Santiago  Reyes et al → R & R HARVESTING INC; 2023-08-25 to current/open; source msha-controller-operator-history