003750000a22001570004500020001800000060000800018082001400026100001600040100001800056245002700074260002900101260000900130300000800139490002300147650004700170  a0 416 07030 2  a100  a630.9 MOR  aMorgan, W B  aMunton, R J C  aAgricultural geography  aLondon, Methuen & Co Ltd  c1971  a175  aField of geography  aAgricultural geography / farming geography