00303nam a2200097Ia 450000500170000000800410001708200150005810000200007324500640009326000480015720260224040932.0260224s9999||||xx |||||||||||||| ||und||  a630.61 UNI  aUnited States.  0aLiving on a few acresacres: year book of agriculture 1972    aWashington:U.S. Dept. of Agriculture c1978