Keys to soil taxonomy / by Soil Survey Staff.

Other author United States. Soil Management Support Services.
Other author United States. Agency for International Development.
Format Electronic
Edition5th ed.
Publication Info[Washington, D.C.] : Agency for International Development, U.S. Dept. of Agriculture, Soil Conservation Service, Soil Management Support Services, [1992]
Description7 unnumbered pages, 541 pages : digital, PDF file.
Supplemental Contenthttps://purl.fdlp.gov/GPO/LPS92044
Subjects

SeriesSMSS technical monograph ; no. 19
SMSS technical monograph ; no. 19. UNAUTHORIZED
General noteTitle from title screen (viewed March 12, 2008).
General note"This volume includes all revisions of the keys that have so far been approved"--Foreword.
Bibliography noteIncludes bibliographical references and index.
Technical detailsMode of access: Internet from the USDA web site. Address as of 3/12/2008: ftp://ftp-fc.sc.egov.usda.gov/NSSC/Soil%5FTaxonomy/keys/1992%5FKeys%5Fto%5FSoil%5FTaxonomy.pdf ; current access available via PURL.
GPO item number0120 (online)
Govt. docs number A 57.2:K 52/1992