# Relationship history for MSHA mine 4104769

Current hierarchy: **N Scott  Carpenter; Harold J  Short → Sunbelt Stone LLC → Sunbelt Stone LLC**

- 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:** Sunbelt Stone LLC → Sunbelt Stone LLC; 2009-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Harold J  Short et al → Sunbelt Stone LLC; 2009-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harold J  Short et al → Sunbelt Stone LLC; 2009-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** N Scott  Carpenter et al → Sunbelt Stone LLC; 2009-01-12 to current/open; source msha-controller-operator-history