000 00740nam a2200229Ia 4500
999 _c19496
_d19496
005 20210804123348.0
008 170503s9999||||xx |||||||||||||| ||und||
040 _aAranzadi Liburutegia
080 _a556.53(752+755)
100 1 _aHack, John Tilton
_91418461
_d1913-1991
245 1 0 _aStudies of longitudinal stream profiles in Virginia and Maryland /
_cby John T. Hack.
260 _aWashington :
_bUnited States Government Printing Office,
_c1957
300 _a97 p. + 1 map. --
336 _2isbdcontent
_aTexto (visual)
337 _2isbdmedia
_3Impreso
_asin mediación
490 _aGeological Survey Professional Paper
490 _v 294-B
650 _aMaryland
_91418462
650 _aRíos
_99219
650 _aVirginia
_91418463
942 _2cdu
942 _cBK
_2cdu