Description
Item Description:"April 2004"--P. [1].
Title from title screen (viewed Feb. 12, 2007).
Electronic resource.
Physical Description:4 unnumbered pages : digital, PDF file.
Format:Mode of access: Internet from the USGS web site. Address as of 2/12/07: http://fresc.usgs.gov/products/fs/cfer-fs-04.pdf ; current access is available via PURL.