000 01031nam a2200301 a 4500
005 20250914073450.0
008 981208s1979 us 00 eng d
010 _a79-17790
035 _a1134
039 9 _y08-18-1999
_zload
090 _aQE325.H44
090 _aQE325
100 1 _aHelgren, David M., 1947-
245 1 0 _aRivers of diamonds
_ban alluvial history of the lower Vaal Basin, South Africa
_cby David M. Helgren
260 _aChicago
_bThe University of Chicago
_c1979
300 _a389p. ill. 23cm.
440 _aResearch paper / University of Chicago, Department of Geography
_vno.185
590 _a1
650 _aGeomorphology
_xSouth Africa
_xVaal River watershed
650 _aSediments (geology)
_xSouth Africa
_xVaal River watershed
907 _a.b12027030
_b2021-05-28
_c2019-11-12
942 _c01
_n0
_kQE325.H44
914 _avtls000209444
991 _aF S Kemasyarakatan dan Kemanusiaan
998 _at
_b1999-05-08
_cm
_da
_feng
_g
_y0
_z.b12027030
999 _c204231
_d204231