000 003140000a22001330004500
008 140223b1921 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aHF F1
082 _aHF F1
100 _aElles (G L)
245 _aStudy of geological maps
260 _aCambridge
_bCamb Univ
_c1921
650 _aGeology
999 _c30544
_d30544