000 00314 a2200133 4500
080 _a55
_bE 54 G
245 1 _aGeology - Principles and processes
_cby W.H. Emmons, et. al.
250 _a4th edn.
260 _aNew York
_c1955
650 _aGeology
100 1 _aEmmons, W.H.
_d
300 _a638 p.
901 _a47915
999 _c31043
_d31043