# Relationship history for MSHA mine 2104000

Current hierarchy: **David  Mitchell; Bevin  Mitchell; Jon  Mitchell → New Look Contracting → NLC #6**

- 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:** David  Mitchell et al → NLC #6; 2020-05-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** New Look Contracting → NLC #6; 2021-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Mitchell et al → New Look Contracting; 2021-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jon  Mitchell et al → New Look Contracting; 2021-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bevin  Mitchell et al → New Look Contracting; 2021-04-13 to current/open; source msha-controller-operator-history