# Relationship history for MSHA mine 0801332

Current hierarchy: **Patrick A  McLaughlin → Patco Contractors → De Soto Sand and Shell**

- 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:** De Soto Sand and Shell, LLC → De Soto Sand and Shell; 2004-11-16 to 2005-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Eugene H  Turner Sr  et al → De Soto Sand and Shell; 2004-11-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eugene H  Turner Sr  et al → De Soto Sand and Shell, LLC; 2004-11-16 to 2005-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Eugene H  Turner Jr  et al → De Soto Sand and Shell, LLC; 2004-11-16 to 2005-10-09; source msha-controller-operator-history
- **operator_operates_mine:** Patco Contractors → De Soto Sand and Shell; 2005-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Patrick A  McLaughlin → De Soto Sand and Shell; 2005-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patrick A  McLaughlin → Patco Contractors; 2005-10-10 to current/open; source msha-controller-operator-history
