# Relationship history for MSHA mine 2104096

Current hierarchy: **Timothy  Hagen; Tim  Moehling → T&T Excavating, LLP → Screen Plant 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** T&T Excavating, LLP → Screen Plant 1; 2025-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Timothy  Hagen et al → Screen Plant 1; 2025-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy  Hagen et al → T&T Excavating, LLP; 2025-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tim  Moehling  et al → T&T Excavating, LLP; 2025-05-29 to current/open; source msha-controller-operator-history