000 01087cam a22003011 4500
001 gs 56000138
003 DLC
005 20260227111404.0
008 780627s1956 dcuabd b f000 0 eng
010 _ags 56000138
035 _a(OCoLC)4011740
040 _aDLC
_cOClU
_dOCoLC
_dDLC
043 _an-us-co
050 0 0 _aQE75
_b.P9 no. 258
051 _aQE92.S3
_bL3
082 _a557.88
100 1 _aLarsen, Esper S.
_q(Esper Signius),
_d1879-1961.
245 1 0 _aGeology and petrology of the San Juan region, southwestern Colorado,
_cby Esper S. Larsen, Jr., and Whitman Cross.
260 _aWashington,
_bU.S. Govt. Print. Off.,
_c1956.
300 _axiv, 303 p.
_billus., maps (3 col.) diagrs. (1 col.) tables.
_c29 cm.
410 2 0 _aGeological Survey (U.S.).
_tProfessional paper,
_v258
500 _aPart of illustrative matter folded in pocket.
504 _aSelected bibliography : p. 297-299.
650 0 _aGeology
_zColorado.
650 0 _aPetrology
_zColorado.
651 0 _aSan Juan Mountains (Colo. and N.M.)
700 1 _aCross, Whitman,
_d1854-1949,
_ejoint author.
999 _c29051
_d29051