# Relationship history for MSHA mine 3800709

Current hierarchy: **Mark M  Mitcham; Elaine C  Murray → M.C. Dirt LLC → Middleton Site**

- 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.C. Dirt LLC → Middleton Site; 2004-04-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mark M  Mitcham Et Al → Middleton Site; 2004-04-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark M  Mitcham Et Al → M.C. Dirt LLC; 2004-04-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Elaine C  Murray Et Al → M.C. Dirt LLC; 2004-04-27 to current/open; source msha-controller-operator-history