000 00425nam a2200169Ia 4500
008 230524s9999 xx 000 0 und d
050 _aHD4431.P53
100 _aPckering, David
245 0 _aUtility mapping and record keeping for infrastructure
260 _aWashington D.C
260 _c1993
300 _a69p.
300 _c28cm.
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c13005
_d13005