000 01143nam a2200301 a 4500
005 20250913120008.0
008 981208s1987 xxu 00 eng
039 9 _a200809021607
_bnor
_y08-18-1999
_zload
090 _aQE685.R54
090 _aQE685
_b.R54
100 1 _aRoehler, Henry W.
245 1 0 _aDepositional environments of coal-bearing and associated formations of Cretaceous Age in the National Petroleum Reserve in Alaska /
_cby Henry W. Roehler
260 _aWashington, D. C. :
_bUnited States Govt. Printing Office,
_c1987
300 _a16 p. :
_bill. ;
_c28 cm.
440 _aU.S. Geological survey bulletin
_vv.1575
504 _aIncludes bibliographical references
590 _a1
650 0 _aGeology, Stratigraphic
_vCongresses
650 0 _aGeology
_zAlaska
_zNational Petroleum Reserve
650 0 _aCoal
_xGeology
_zAlaska
_zNational Petroleum Reserve
907 _a.b10521434
_b2020-10-12
_c2019-11-12
942 _c01
_n0
_kQE685.R54
914 _avtls000054278
991 _aFakulti Sains Fizik dan Gunaan
998 _at
_b1999-05-08
_cm
_da
_feng
_gxxu
_y0
_z.b10521434
999 _c54077
_d54077