# Relationship history for MSHA mine 0901270

Current hierarchy: **John  Cross; Will  Glusac → Early County Quarry, LLC → Early County Quarry**

- 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:** Early County Quarry, LLC → Early County Quarry; 2024-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John  Cross et al → Early County Quarry; 2024-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Cross et al → Early County Quarry, LLC; 2024-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Will  Glusac et al → Early County Quarry, LLC; 2024-07-18 to current/open; source msha-controller-operator-history