# Relationship history for MSHA mine 0301842

Current hierarchy: **Atlas Asphalt Corp → White River Materials Inc → Mountain View 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:** L & N Construction , Inc. → Mountain View Quarry; 1950-01-01 to 2023-04-23; source msha-controller-operator-history
- **controller_controls_mine:** Atlas Asphalt Corp → Mountain View Quarry; 1993-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Flynn  Norman → Mountain View Quarry; 2000-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Flynn  Norman → L & N Construction , Inc.; 2000-11-15 to 2023-04-23; source msha-controller-operator-history
- **operator_operates_mine:** White River Materials Inc → Mountain View 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