000 00763nam a2200217Ia 4500
999 _c20187
_d20187
005 20220506163457.0
008 170503s9999||||xx |||||||||||||| ||und||
040 _aAranzadi Liburutegia
080 _a553(788)
100 1 _aAlstine, Ralph E. van
_91419246
_d1914-
245 1 0 _aGeology and mineral deposits of the Poncha springs NE Quadrangle, Chaffee county, Colorado /
_cby Ralph E. Van Alstine.
260 _aWashington :
_bUnited States Government Printing Office,
_c1969
300 _a52 p. + map. --
336 _2isbdcontent
_aTexto (visual)
337 _2isbdmedia
_3Impreso
_asin mediaciĆ³n
490 _aGeological Survey Professional Paper
490 _v626
650 _aColorado
_91418510
650 _aDepĆ³sitos de minerales
_91440048
942 _2cdu
942 _cBK
_2cdu