# Relationship history for MSHA mine 3503779

Current hierarchy: **Alton E  Sullivan; Dixie G  Sullivan → G & S Crushing, LLC → Mt Hope Tree Farm 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:** Mt Hope Tree Farm LLC → Mt Hope Tree Farm LLC; 2012-05-02 to 2015-07-30; source msha-controller-operator-history
- **controller_controls_mine:** Alton E  Sullivan et al → Mt Hope Tree Farm LLC; 2012-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alton E  Sullivan et al → Mt Hope Tree Farm LLC; 2012-05-02 to 2015-07-30; source msha-controller-operator-history
- **operator_operates_mine:** G & S Crushing, LLC → Mt Hope Tree Farm LLC; 2015-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alton E Sullivan et al → Mt Hope Tree Farm LLC; 2015-07-31 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Alton E Sullivan et al → G & S Crushing, LLC; 2015-07-31 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Craig E Gourlie et al → G & S Crushing, LLC; 2015-07-31 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Dixie G  Sullivan et al → Mt Hope Tree Farm LLC; 2017-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dixie G  Sullivan et al → G & S Crushing, LLC; 2017-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alton E  Sullivan et al → G & S Crushing, LLC; 2017-01-01 to current/open; source msha-controller-operator-history