Supplement to the soil survey of Kay County, Oklahoma [electronic resource] / United States Department of Agriculture, Natural Resources Conservation Service ; in cooperation with Oklahoma Agricultural Experiment Station and Oklahoma Conservation Commission.
Mode of access: Internet from the USDA web site. Address as of 6/11/2008: http://soildatamart.nrcs.usda.gov/Manuscripts/OK071/0/Kay.pdf; current access available via PURL.
Note
Title from title screen (viewed June 11, 2008).
"Issued July 2007"--P. vii.
"This supplement provides information to update the original soil survey of Kay County, Oklahoma, which was issued December 1967"--P. 1.
