# Relationship history for MSHA mine 5001150

Current hierarchy: **Tyler A Reid; Bosjun C Reid → Reid Brothers Logging & Construction Inc. → Reid Brothers 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Reid Construction → Reid Brothers Quarry; 1950-01-01 to 2022-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Reid Brothers Logging Company Inc → Reid Brothers Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Reid Brothers Logging Company Inc → Reid Construction; 1950-01-01 to 2022-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Reid Brothers Logging & Construction Inc. → Reid Brothers Quarry; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tyler A Reid et al → Reid Brothers Quarry; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tyler A Reid et al → Reid Brothers Logging & Construction Inc.; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bosjun C Reid et al → Reid Brothers Logging & Construction Inc.; 2023-01-01 to current/open; source msha-controller-operator-history