# Relationship history for MSHA mine 4105590

Current hierarchy: **Larry Glen  Rolen; Hilda  Flores; Sara Elizabeth  Ramby; Gabriel  Olmos → Rocky Point Aggregates LLC → Fowler 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:** Rocky Point Aggregates LLC → Fowler Pit; 2021-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gabriel  Olmos et al → Fowler Pit; 2021-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gabriel  Olmos et al → Rocky Point Aggregates LLC; 2021-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry Glen  Rolen et al → Rocky Point Aggregates LLC; 2021-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hilda  Flores et al → Rocky Point Aggregates LLC; 2021-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sara Elizabeth  Ramby et al → Rocky Point Aggregates LLC; 2021-11-09 to current/open; source msha-controller-operator-history