Investigation and Analysis - Ground Subsidence, Shemya Air Force Station, Alaska. Open PDF Document Details Document Type Technical Report Publication Date Jul 01, 1974 Accession Number ADA123161 Entities People Richard Benzinger Jr Tags Communities of Interest Human Systems DTIC Thesaurus Topics Air Force Air Force Facilities Basements Civil Engineering Construction Detection Detectors Drilling Electrical Conductivity Engineering Engineers Erosion Geological Surveys Igneous Rocks Inosilicates Materials Sea Level