Lessons Learned, Headquarters, 864th Engineer Battalion (Construction) Open PDF Document Details Document Type Technical Report Publication Date Oct 31, 1968 Accession Number AD0848939 Entities Organizations Adjutant General's Corps Tags Communities of Interest Biomedical Human Systems DTIC Thesaurus Topics Civil Engineering Concrete Construction Construction Materials Engineers Flood Damage Floods Lessons Learned Maintenance Maintenance Personnel Materials Reinforced Concrete Retaining Walls Test And Evaluation Training United States Walls