# Relationship history for MSHA mine 4407394

Current hierarchy: **Emmy  Marquess → Next Endeavor Ventures LLC → NEV #1**

- 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

- **controller_controls_mine:** Everett Gordon Justice → NEV #1; 1999-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** JMAC LEASING INC → NEV #1; 2019-01-02 to 2021-06-20; source msha-controller-operator-history
- **controller_controls_operator:** Everett Gordon Justice → JMAC LEASING INC; 2019-01-02 to 2021-06-20; source msha-controller-operator-history
- **operator_operates_mine:** Next Endeavor Ventures LLC → NEV #1; 2021-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Emmy  Marquess → NEV #1; 2021-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Emmy  Marquess → Next Endeavor Ventures LLC; 2021-06-21 to current/open; source msha-controller-operator-history