00340nam 2228191 450000100060000000300230000600500090002900800410003808200080007902000170008710000250010426000190012924500600014828191StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a560 a067521134401 aJacqueline Patterson bMERRILL c1990 aA trip through time bprinciples of historical geology