# Relationship history for MSHA mine 4202427

Current hierarchy: **Scott  McLachlan; Mark  Newman → M & N Development LLC → M & N Development  LLC**

- 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:** M & N Development LLC → M & N Development  LLC; 2006-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Scott  McLachlan et al → M & N Development  LLC; 2006-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  McLachlan et al → M & N Development LLC; 2006-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Newman et al → M & N Development LLC; 2006-01-25 to current/open; source msha-controller-operator-history