http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
United States Department of Agriculture, Natural Resources Conservation Service ; in cooperation with United States Department of Agriculture, Forest Service; United States Department of the Interior, Bureau of Land Management; and Oregon Agricultural Experiment Station.
Title from title screen (viewed June 6, 2008).
Mode of access: Internet from the USDA web site. Address as of 6/06/2008: http://soildatamart.nrcs.usda.gov/Manuscripts/OR015/0/Curry.pdf ; current access available via PURL.
Includes bibliographical references (pages 501-507) and index to map sheets.