# Relationship history for MSHA mine 2601563

Current hierarchy: **Vincent  Apple → SNL Sand LLC → Money Pit Mine**

- 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:** Southern Nevada Liteweight → Money Pit Mine; 1979-10-01 to 2019-01-14; source msha-controller-operator-history
- **controller_controls_mine:** Spencer  Apple → Money Pit Mine; 1979-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Spencer  Apple → Southern Nevada Liteweight; 1979-10-01 to 2019-01-14; source msha-controller-operator-history
- **operator_operates_mine:** SNL Sand LLC → Money Pit Mine; 2019-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Vincent  Apple → Money Pit Mine; 2019-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vincent  Apple → SNL Sand LLC; 2019-01-15 to current/open; source msha-controller-operator-history