# Relationship history for MSHA mine 0801265

Current hierarchy: **SAS Contracting → Gulf Coast Aggregates, L.L.C. → Strip #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:** Langwood Industries Inc → Strip #1; 1998-09-01 to 2004-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Audie (Gene) E  Langston → Strip #1; 1998-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Audie (Gene) E  Langston → Langwood Industries Inc; 1998-09-01 to 2004-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Gulf Coast Aggregates, L.L.C. → Strip #1; 2004-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** SAS Contracting  et al → Strip #1; 2004-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** SAS Contracting  et al → Gulf Coast Aggregates, L.L.C.; 2004-02-01 to current/open; source msha-controller-operator-history