000 00481 a2200253 4500
001 110951
020 _a0
041 _aeng
080 _a624.035 Ame
245 _aLocation of underground utilities.
250 _a
260 _a
260 _bThe author, New York,
260 _c1937
300 _ap.15, illus., 23cm.
300 _c
490 _a
100 _aAmerican Society of Civil Engg\
700 _a
650 _a
650 _a
942 _cBK
942 _2UDC
999 _c128681
_d128681