LEADER 01578aam 2200397I 450 001 9910710244303321 005 20160309011334.0 024 8 $aGOVPUB-C13-a9ed53ceac85ce91be88213b5cc73b0a 035 $a(CKB)5470000002476845 035 $a(OCoLC)944187854 035 $a(EXLCZ)995470000002476845 100 $a20160309d1979 ua 0 101 0 $aeng 181 $2rdacontent 182 $2rdamedia 183 $2rdacarrier 200 10$aan analysis of the responses from an Associated General Contractors of America (AGC) survey of trenching and shoring practices /$fLawrence A. Salomone; Felix Y. Yokel 210 1$aGaithersburg, MD :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d1979. 215 $a1 online resource 225 1 $aNBSIR ;$v79-1936 300 $a1979. 300 $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes. 300 $aTitle from PDF title page. 320 $aIncludes bibliographical references. 517 $aAnalysis of the responses from an Associated General Contractors of America 700 $aSalomone$b Lawrence A$01398190 701 $aSalomone$b Lawrence A$01398190 701 $aYokel$b Felix Y$01386442 712 02$aUnited States.$bNational Bureau of Standards. 801 0$bNBS 801 1$bNBS 801 2$bGPO 906 $aBOOK 912 $a9910710244303321 996 $aAn analysis of the responses from an Associated General Contractors of America (AGC) survey of trenching and shoring practices$93461302 997 $aUNINA