Lessons Learned, Headquarters, 70th Engineer Battalion Open PDF Document Details Document Type Technical Report Publication Date Apr 30, 1969 Accession Number AD0859267 Entities Organizations Adjutant General's Corps Tags Communities of Interest Biomedical Weapons Technologies DTIC Thesaurus Topics Abstracts Aircrafts Army Artillery Civic Action Combat Surveillance Concrete Construction Distributors Drinking Water Engineers Lessons Learned Materials Munitions Observation Reinforced Concrete United States