01460nam 2200385Ia 450 991069065830332120230902161720.0(CKB)5470000002339729(OCoLC)218229884(OCoLC)639918764(OCoLC)882187957(OCoLC)881890549(EXLCZ)99547000000233972920080403d1994 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierKeys to soil taxonomy[electronic resource] /by Soil Survey Staff6th ed.[Washington, D.C.] :U.S. Dept. of Agriculture, Soil Conservation Service,1994.iii, 306 pages digital, PDF fileTitle from title screen (viewed April 2, 2008)."This volume includes all revisions of the keys that have so far been approved, replacing the original keys in Soil taxonomy, a basic system of soil classification ... (1975), the work on which this abridged version, first published 1983 is based"--P. ii.Includes bibliographical references and index.SoilsClassificationHandbooks and manuals.lcgftSoilsUnited States.Soil Conservation Service.GPOGPOBOOK9910690658303321Keys to soil taxonomy1416406UNINA