00589nam a2200169 a 450000500170000000800410001703500150005805000220007310000200009524501090011526000390022430000100026349000240027365000250029770000210032281000760034320260819084721.0                                          a.b1171631900aS31bE227 no. 4651 aBoyd, Claude E.10aTotal alkalinity and hardness of surface waters in Alabama and Mississippi /cby ... and W. Wayne Walley  aAuburn :bAuburn University,c1975  a16 p.1 aBulletin ;vno. 46510aWater in agriculture10aWalley, W. Wayne1 aAlabama.bAgricultural Experiment Station, Auburn.tBulletin ;vno. 465