00393nam a2200133Ia 4500008004100000010001200041040001700053082002300070100001600093245007200109260003500181300001500216650002800231190328s9999||||xx |||||||||||||| ||und||  a56-8924  aNITILcNITIL  221sta550.1bM823E  aMoore, Ruth 4aThe Earth we live onbthe story of geological discoverycRuth Moore  aNew YorkbAlfred A Knopfc1956  axi, 416p+x  aEarth sciences; Geology