00714cam a22002177a 4500003000500000005001700005008004100022010001100063011001100074035001100085040000900096082001800105110003700123245011500160260006000275300001400335490004300349650002400392650003700416830004300453CHAP20220329143710.0110216s1984    us      r     00010 eng d  a100523  a101495  a112183  cCHAP00a631.4072bE102 aE.U.A. Soil Conservation Service10aProcedures for collecting soil samples and methods of analysis for soil surveyc/por Soil Conservation Service  a[Washington, D.C.?] :bSoil Conservation Service,c1984  aiv, 68 p. 0aSoil survey investigations reportv; 114aMuestreo de suelos.14aSuelosxManuales de laboratorio. 0aSoil survey investigations reportv; 1