%0 Generic %T Study of Subsidence at Naval Shipyard, Long Beach, Calif., in Connection with H.R. 8240 hearings before the United States House Committee on Armed Services, Eighty-Fifth Congress, first session, on May 31, June 1, 1957. %U https://ezaccess.libraries.psu.edu/login?url=http://congressional.proquest.com/congcomp/getdoc?HEARING-ID=HRG-1957-ASH-0048