00409naa a2200121 a 450000100080000000500110000800800410001910000180006024501000007826000090017870000190018777300810020618285992010-01-10       1947    bl ---       0--  u    #d1 aTANNER, C. B.  aNomographs of sedimentation times for soil particles under gravity or centrifugal acceleration.  c19471 aJACKSON, M. L.  tSoil Science Society of America Proceedings, Madisongv. 12, p. 60-65, 1947.