000 00507nab a2200181 4500
005 20260520000308.0
008 260224s2004 xxu
245 0 0 _aTrenchless in Chicago
260 _a
_b
_cabr. 2004
270 _a04/08/2011 ; 04/08/2011
300 _a3 p. ; 13-15
500 _aUtilities can upgrade gas main efficiently with trenchless technologies
581 _a3
773 0 _tAmerican Gas
_g86
942 _cARTICULO
100 1 _aBurton, Marsha
_932440
999 _c184912
_d184912