000 00813nas a2200241Ia 4500
001 MUSEF-HEM-PPE-077062
003 BO-LP-MUSEF
008 190909c99999999xx |||||||||||| ||spa||
040 _aBO-LpMNE
100 _aBaker, A.A.
245 4 _aThe northward extension of the sheridan coal field.
260 _aWashington-US :
_bDepartament of the Interior,
_c1929.
300 _apáginas 15-67 :
_bIlustraciones blanco y negro
310 _aIrregular
362 _aNo. 806 (1929)
490 _aGeological Survet. Bulletin ;
_vno. 806
500 _aSeparata.
773 _a
_tGeological Survet. Bulletin
_dWashington: Departament of the Interior, 1929
810 _aUnited States Goverment Printing Office.
850 _aBO-LpMNE
901 _aLiliana Mamani
942 _aBIB
_bBIB
_cPPE
_2ddc
_dCON
_j011
999 _c229924
_d229924