00301    a2200121   4500020001500000082001300015100002100028245001800049260005200067300002100119650001800140700002100158  a0030325145  a550bFRO  aFronk, Robert H.  aEarth science  aNew YorkbHolt rinehart and winstonc1994g1994  axix, 700p.c26cm  aEARTH SCIENCE  aKnight, Linda B.