Mode of access: Internet from the USDA web site. Address as of 6/18/2008: http://soildatamart.nrcs.usda.gov/Manuscripts/OK005/0/Atoka.pdf; current access available via PURL.
Note
Title from title screen (viewed June 18, 2008).
"Issued June 2007"--Page v.
"This supplement provides information to update the original soil survey of Atoka County, Oklahoma, which was issued August 1979"--Page 1.