# Relationship history for MSHA mine 3610030

Current hierarchy: **Jose L  Rios → Rios Stone Supply LLC → ROE Farm 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** PBS Bluestone Co. → ROE Farm Quarry; 2012-10-17 to 2019-06-03; source msha-controller-operator-history
- **controller_controls_mine:** Michael M  Pavelski et al → ROE Farm Quarry; 2012-10-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael M  Pavelski et al → PBS Bluestone Co.; 2012-10-17 to 2019-06-03; source msha-controller-operator-history
- **controller_controls_operator:** Robert A  Pavelski et al → PBS Bluestone Co.; 2012-10-17 to 2019-06-03; source msha-controller-operator-history
- **operator_operates_mine:** Luis Guasco → ROE Farm Quarry; 2019-06-04 to 2025-06-05; source msha-controller-operator-history
- **controller_controls_mine:** Luis F  Guasco → ROE Farm Quarry; 2019-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Luis F  Guasco → Luis Guasco; 2019-06-04 to 2025-06-05; source msha-controller-operator-history
- **operator_operates_mine:** Rios Stone Supply LLC → ROE Farm Quarry; 2025-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jose L  Rios → ROE Farm Quarry; 2025-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jose L  Rios → Rios Stone Supply LLC; 2025-06-06 to current/open; source msha-controller-operator-history