000 00294nam a2200121Ia 4500
082 _a551
_bWAT
100 _aWatkins, Joel S. & others
245 _aOur geological environment.
260 _aLondon
_bW. B. Saunders Co.
_c1975
300 _a519p.
890 _aUnited States
999 _c24747
_d24747
650 _aEnvironmental geology