01130nam a2200289Ia 4500001000700000003000500007005001700012008004100029010001700070110005200087245003400139260007900173300005000252490003700302500009700339500003600436500001700472500003200489504007300521650003800594650003700632651002300669700002500692710007600717740003000793740001700823133071BIBL20240725062722.0931025         dcuab               eng    aaa 28000456 20aUnited StatesbDepartmen of Agriculture.2Local10aPuerto Ricocby R.C. Roberts.00aWashington, D.C.bDepartment of Agriculture, Bureau of Plant Industryc19-  a503 p.bill. maps. (pt. fold) photos, tables.0 aSerie : 1936-vno.8, Soil survey  aPublished with the cooperation of University of Puerto Rico Agricultural Experiment Station.  aAt head of title : Soil Survey.  aCover title.  aIncludes explanatory notes.  aBibliographical references included in Literature cited (p. 492-495) 0aSoil surveyszPuerto Rico.2Local 0aAgriculturezPuerto Rico.2Local 0aPuerto Rico2Local10aRoberts, R.C.2Local 2aPuerto Rico.bEstación Experimental Agrícola, Río Piedras.2Local10aSoil survey, Puerto Rico.10aSoil survey.