ALDOT 930-826R, Research Report No. 2 - Evaluation of ALDOT Ditch Check Practices using Large-Scale Testing Techniques, Large-scale Channel Testing (ASTM D 7208-modified) of Evaluation of ALDOT Class I Riprap w/8 oz. Nonwoven Filter Fabric Choker Ditch Check over Poorly Graded Sand - Zech, Fang, February 2014

ALDOT 930-826R, Research Report No. 2 - Evaluation of ALDOT Ditch Check Practices using Large-Scale Testing Techniques, Large-scale Channel Testing (ASTM D 7208-modified) of Evaluation of ALDOT Class I Riprap w/8 oz. Nonwoven Filter Fabric Choker Ditch Check over Poorly Graded Sand - Zech, Fang, February 2014, 21-068, Box: 2, Folder: 9. Department of Civil and Environmental Engineering: Highway Research Center Records, 1142. Auburn University Special Collections and Archives. https://archivesspace.lib.auburn.edu/repositories/2/archival_objects/66696 Accessed March 12, 2026.