# Relationship history for MSHA mine 1401798

Current hierarchy: **Ashia  Passmore; Nathan  Passmore; Garrett  Benjamin → Rockland Stone LLC → Rockland South Fork Quarry**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Rockland Stone LLC → Rockland South Fork Quarry; 2018-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nathan  Passmore → Rockland South Fork Quarry; 2018-08-30 to 2020-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Nathan  Passmore → Rockland Stone LLC; 2018-08-30 to 2020-12-30; source msha-controller-operator-history
- **controller_controls_mine:** Garrett  Benjamin et al → Rockland South Fork Quarry; 2021-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Garrett  Benjamin et al → Rockland Stone LLC; 2021-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nathan  Passmore et al → Rockland Stone LLC; 2021-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashia  Passmore et al → Rockland Stone LLC; 2021-01-01 to current/open; source msha-controller-operator-history