# Relationship history for MSHA mine 3002298

Current hierarchy: **Christopher  Malinowski; Patricia  Chapin → Thousand Islands Ventures, LLC → Clayton Sand and Gravel**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Stub Carlisle & Son → Clayton Sand and Gravel; 1978-03-09 to 2015-07-16; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Carlisle → Clayton Sand and Gravel; 1978-03-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Carlisle → Stub Carlisle & Son; 1978-03-09 to 2015-07-16; source msha-controller-operator-history
- **operator_operates_mine:** Thousand Islands Ventures, LLC → Clayton Sand and Gravel; 2015-07-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Patricia  Chapin et al → Clayton Sand and Gravel; 2015-07-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patricia  Chapin et al → Thousand Islands Ventures, LLC; 2015-07-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher  Malinowski et al → Thousand Islands Ventures, LLC; 2015-07-17 to current/open; source msha-controller-operator-history