000 01002nam a22003137a 4500
001 39990
008 190110s1966 xxu||||| |||| 00| 0 eng d
041 _aeng
100 _925194
_aHarrington, J.F.
245 _aSources of fertilizer minerals in South America; a preliminary study
260 _aReston, VA
_bU.S. Geological Survey
_c1966
300 _a66 p.
_bilus.
490 _aU.S. Geological Survey Bulletin
_vn.1240
650 _9847
_aAZUFRE
650 _9548
_aEVAPORITAS
650 _92845
_aFERTILIZANTES
650 _9357
_aFOSFATOS
650 _942
_aGENESIS-YACIMIENTO
650 _9639
_aGEOLOGIA ECONOMICA
650 _92846
_aPOTASIO
651 _9114
_aAMERICA DEL SUR
700 _953993
_aWard, D.E.
700 _911888
_aMcKelvey, V.E.
773 _010631
_910631
_dWashington, D.C.
_o10631
_tEstados Unidos. Geological Survey. Bulletin
856 _uhttps://pubs.er.usgs.gov/publication/b1240
856 _uUSGS-B-1240.pdf
910 _aRNUĂ‘EZ
_b39640
942 _2z
_cLIBR
999 _c39990
_d39990