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 |