000 00977cam a22002771 4500
001 gs 66000297
003 DLC
005 20260227111420.0
008 771019s1967 dcuab b f000 0 eng c
010 _ags 66000297
035 _a(OCoLC)3354289
040 _aU.S. Geol. Survey. Libr.
_cAzU
_dISS
_dDLC
050 0 0 _aQE75
_b.P9 no. 540
051 _aQE681
_b.I5
086 0 _aI 19.16:540
100 1 _aImlay, Ralph W.
_q(Ralph Willard),
_d1908-1989.
245 1 0 _aTwin Creek limestone (Jurassic) in the western interior of the United States,
_cby Ralph W. Imlay.
260 _aWashington,
_bU.S. Govt. Print. Off.,
_c1967.
300 _aiv, 105 p.
_billus., maps, 16 plates.
_c29 cm.
490 1 _aGeological Survey professional paper 540
504 _aBibliography: p. 99-102.
650 0 _aGeology
_zWest (U.S.)
650 0 _aGeology, Stratigraphic
_yJurassic.
650 0 _aPaleontology
_zWest (U.S.)
810 2 _aGeological Survey (U.S.).
_tProfessional paper ;
_v540.
999 _c30268
_d30268