# Relationship history for MSHA mine 0301929

Current hierarchy: **Atlas Asphalt Corp → White River Materials, Inc → Leslie 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

- **controller_controls_mine:** Atlas Asphalt Corp → Leslie Quarry; 1993-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Flynn  Norman → Leslie Quarry; 2000-11-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** L & N Construction, Inc. → Leslie Quarry; 2006-05-09 to 2023-04-23; source msha-controller-operator-history
- **controller_controls_operator:** Flynn  Norman → L & N Construction, Inc.; 2006-05-09 to 2023-04-23; source msha-controller-operator-history
- **operator_operates_mine:** White River Materials, Inc → Leslie Quarry; 2023-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Atlas Asphalt Corp → White River Materials, Inc; 2023-04-24 to current/open; source msha-controller-operator-history