# Relationship history for MSHA mine 0801342

Current hierarchy: **Ginger  Spivey → SG&G Sand LLC → SG&G Sand LLC**

- 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:** Brown & Hamilton LLC → SG&G Sand LLC; 2006-10-17 to 2008-07-07; source msha-controller-operator-history
- **controller_controls_mine:** Carl T  Hamilton  et al → SG&G Sand LLC; 2006-10-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carl T  Hamilton  et al → Brown & Hamilton LLC; 2006-10-17 to 2008-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Owen C  Brown  et al → Brown & Hamilton LLC; 2006-10-17 to 2008-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Brown Sand Company → SG&G Sand LLC; 2008-07-08 to 2009-08-18; source msha-controller-operator-history
- **controller_controls_mine:** Owen C  Brown → SG&G Sand LLC; 2008-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Owen C  Brown → Brown Sand Company; 2008-07-08 to 2009-08-18; source msha-controller-operator-history
- **operator_operates_mine:** SG&G Sand LLC → SG&G Sand LLC; 2009-08-19 to 2012-05-20; source msha-controller-operator-history
- **controller_controls_mine:** Carl  Hamilton → SG&G Sand LLC; 2009-08-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carl  Hamilton → SG&G Sand LLC; 2009-08-19 to 2012-05-20; source msha-controller-operator-history
- **operator_operates_mine:** SG&G Sand LLC → SG&G Sand LLC; 2012-05-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ginger  Spivey → SG&G Sand LLC; 2012-05-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ginger  Spivey → SG&G Sand LLC; 2012-05-21 to current/open; source msha-controller-operator-history