000 00541 a2200241 4500
001 355799
020 _a
041 _aeng
080 _aLHRB HRR 249 : 1968
245 _aRetaining walls and culverts, 5 reports
250 _a
260 _aWashington, D.C.
260 _bHRB
260 _c1968
300 _a51 p.
300 _c
856 _u
490 _aHRB HRR 249 : 1968
700 _a
650 _a
650 _aHighway drainage, Bridge design, General materials, Foundations (soils), Mechanics (earth mass)
942 _cPP
942 _2UDC
999 _c225525
_d225525