000 00405nam a22001337a 4500
082 _a625.734
_bAER
100 _aU.S. Department of Transportation
_919987
245 _aAerial drainage surveys
_cU.S. Department of Transportation
260 _aUSA
_bU.S. Department of Transportation
_c1978
300 _aviii, 71.p:
526 _a0
_b0
_c0
_d625_734000000000000_AER
650 _aMCE
_9379
942 _2ddc
_cBK
999 _c547497
_d547497