# Relationship history for MSHA mine 1700795

Current hierarchy: **Jonathan E Shaw; Daniel H Shaw → Shaw Brothers Construction, Inc. → Busque 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:** Daniel H Shaw Et Al → Busque Quarry; 1988-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Peter J  Busque → Busque Quarry; 2004-03-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Busque Construction Co Inc → Busque Quarry; 2006-06-14 to 2012-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Peter J  Busque → Busque Construction Co Inc; 2006-06-14 to 2012-02-28; source msha-controller-operator-history
- **operator_operates_mine:** Shaw Brothers Construction, Inc. → Busque Quarry; 2012-02-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel H Shaw Et Al → Shaw Brothers Construction, Inc.; 2012-02-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jonathan E Shaw et al → Shaw Brothers Construction, Inc.; 2012-02-29 to current/open; source msha-controller-operator-history