000 00426nam a2200169Ia 4500
008 151015s1967||||xx |||||||||||||| ||und||
013 _aPILC
020 _a11250
040 _cSICM LIBRARY
082 _a550 In8
100 0 _aTeachers Guide
245 _aInvestigating the earth /
_cTeachers Guide.
260 _aBoston :
_bHoughton Mifflin,
_c1967.
300 _a749 pages
650 _aEarth science
942 _2ddc
_cBK
999 _c29830
_d29830