# Relationship history for MSHA mine 1002139

Current hierarchy: **Brian  Hansen; Brandon  Hansen → Gordon Paving Company Inc. → 7407**

- 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:** Brian  Hansen et al → 7407; 2005-07-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Northwest Sand & Gravel → 7407; 2007-10-04 to 2011-03-08; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Hansen et al → Northwest Sand & Gravel; 2007-10-04 to 2011-03-08; source msha-controller-operator-history
- **controller_controls_operator:** Thomas  Treanor et al → Northwest Sand & Gravel; 2007-10-04 to 2011-03-08; source msha-controller-operator-history
- **operator_operates_mine:** Gordon Paving Company Inc. → 7407; 2011-03-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Hansen et al → 7407; 2011-03-09 to 2012-08-07; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Hansen et al → Gordon Paving Company Inc.; 2011-03-09 to 2012-08-07; source msha-controller-operator-history
- **controller_controls_operator:** Thomas  Treanor et al → Gordon Paving Company Inc.; 2011-03-09 to 2012-08-07; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Hansen et al → 7407; 2012-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Hansen et al → Gordon Paving Company Inc.; 2012-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brandon  Hansen et al → Gordon Paving Company Inc.; 2012-08-08 to current/open; source msha-controller-operator-history