# Relationship history for MSHA mine 4609486

Current hierarchy: **Sandeep  Agarwal → Rolling S Augering, LLC → Double Camp Branch Mine No. 1**

- 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

- **controller_controls_mine:** PhyllisAnne  Pesce → Double Camp Branch Mine No. 1; 2007-11-01 to 2013-12-18; source msha-controller-operator-history
- **operator_operates_mine:** Rolling S Augering, LLC → Double Camp Branch Mine No. 1; 2013-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** PhyllisAnne  Pesce → Rolling S Augering, LLC; 2013-12-19 to 2013-12-18; source msha-controller-operator-history
- **controller_controls_mine:** Sandeep  Agarwal → Double Camp Branch Mine No. 1; 2013-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sandeep  Agarwal → Rolling S Augering, LLC; 2013-12-19 to current/open; source msha-controller-operator-history