# Relationship history for MSHA mine 2103997

Current hierarchy: **Jamie R Feldhake → Seph Construction L.L.C.. → Smokey's Properties**

- 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

- **operator_operates_mine:** Seph Construction L.L.C.. → Smokey's Properties; 2021-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jamie R Feldhake → Smokey's Properties; 2021-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jamie R Feldhake → Seph Construction L.L.C..; 2021-03-31 to current/open; source msha-controller-operator-history