# Relationship history for MSHA mine 3003735

Current hierarchy: **Thomas P  Panoushek; Susan M  Panoushek → Penrhyn Valley Slate LLC → Penrhyn Valley Slate**

- 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:** Vermont Natural Colored Stone → Penrhyn Valley Slate; 2010-03-10 to 2010-07-20; source msha-controller-operator-history
- **controller_controls_mine:** Christopher J  Bolton et al → Penrhyn Valley Slate; 2010-03-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher J  Bolton et al → Vermont Natural Colored Stone; 2010-03-10 to 2010-07-20; source msha-controller-operator-history
- **controller_controls_operator:** Gary S  Kittredge et al → Vermont Natural Colored Stone; 2010-03-10 to 2010-07-20; source msha-controller-operator-history
- **operator_operates_mine:** RJF - VNCS, LLC → Penrhyn Valley Slate; 2010-07-21 to 2014-11-24; source msha-controller-operator-history
- **controller_controls_mine:** R J Finlay & Co → Penrhyn Valley Slate; 2010-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** R J Finlay & Co → RJF - VNCS, LLC; 2010-07-21 to 2014-11-24; source msha-controller-operator-history
- **operator_operates_mine:** Penrhyn Valley Slate LLC → Penrhyn Valley Slate; 2014-11-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Thomas P  Panoushek et al → Penrhyn Valley Slate; 2014-11-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas P  Panoushek et al → Penrhyn Valley Slate LLC; 2014-11-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Susan M  Panoushek et al → Penrhyn Valley Slate LLC; 2014-11-25 to current/open; source msha-controller-operator-history