000 00213 a2200085 4500
082 _a625.735 AAS
245 _aManual on Subsurface Investigations /
260 _aWashington:
_cAASHTO,
_b1988
300 _a391p. :
_bill. ;
_c30cm
650 _aAASHTO
999 _c1916
_d1916