000 00875nam a2200205 4500
005 20250914102037.0
008 010807u1992 xxu 00 eng
039 9 _a200108071838
_bsahabinar
_y08-07-2001
_zsahabinar
245 _aOrganic geochemistry of black shales, marlstones, and oils of middle Pennsylvanian rocks from the northern Denver and outheastern Powder River Basins, Wyoming, Nebraska, and Colorado /
_cby J.L. Calyton... [et.al.]
260 _aWashington :
_bU.S. Government Printing Office,
_c1992
300 _a44 p. :
_bill. ;
_c28 cm.
440 _aU.S. geological suvery bulletin ;
_v1917-K
710 1 _aUnited States.
_bGeological Survey
907 _a.b12889738
_b2019-11-12
_c2019-11-12
942 _c4
_n0
914 _avtls000300379
991 _aBahagian Koleksi Dokumen
998 _at
_b2001-07-08
_cm
_da
_feng
_gxxu
_y0
_z.b12889738
999 _c289487
_d289487