003860000a22001450004500060000800000082001600008100002600024100002600050245003200076250000600108260004400114260000900158300000800167650006500175  a100  a630.715 KEL  aHearne, Cannon Chiles  aKelsey, Lincoln David  aCo-operative extension work  a2  aNewyork, Comstock publishing associates  c1955  a424  aAgriculture-cooperative extension work/extension-agriculture