000 00795cam a22002291 4500
001 gs 65000326
003 DLC
005 20260227111417.0
008 760128s1965 dcuab b f000 0 eng c
010 _ags 65000326
035 _a(OCoLC)1951608
040 _aU.S. Geol. Survey Libr.
_cTxDaM
_dDLC
050 0 0 _aQE75
_b.B9 no. 1191
051 _aQE92.B4
_bH35
100 1 _aHansen, Wallace R.,
_d1920-
245 1 4 _aThe Black Canyon of the Gunnison,
_btoday and yesterday,
_cby Wallace R. Hansen.
260 _a[Washington,
_bFor Sale by the Superintendent of Documents, U. S. Govt. Print. Off.,
_c1965]
300 _avii, 76 p.
_billus., maps.
_c24 cm.
410 2 0 _aGeological Survey (U.S.)
_tBulletin
_v1191
504 _aBibliography: p. 75-76.
650 0 _aGeology
_zColorado
_zBlack Canyon.
999 _c30080
_d30080