000 00382pam a2200145a 44500
082 _a628.11
_bJ449p
100 _aJennings, William Munro
245 1 _aPERCUSSION DRILLING RIGS AND TOOLS FOR SHALLOW WATER WELLS
260 _aLondon
_bTechnical Press
_c1934
300 _a91
650 _aDrilling And Boring Machinery
650 _aWells
964 _gCIRC
997 _a4118 C
999 _c407909
_d407909