# Relationship history for MSHA mine 2602704

Current hierarchy: **Loren E  Hunewill → H.E. Hunewill Construction Co.,Inc → Terex Cedar Rapids MVP380**

- 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:** Loren E  Hunewill  et al → Terex Cedar Rapids MVP380; 1978-03-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** H.E. Hunewill Construction Co.,Inc → Terex Cedar Rapids MVP380; 2011-09-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Loren E  Hunewill  et al → H.E. Hunewill Construction Co.,Inc; 2011-09-09 to current/open; source msha-controller-operator-history