http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bathymetric contour maps of lakes surveyed in Iowa in 2006
4 electronic maps : HTML, digital, PDF file.
Sheet no. 1: Little Storm Lake -- sheet no. 2: Silver Lake.
by S.M. Linhart and K.D. Lund ; prepared in cooperation with the Iowa Department of Natural Resources.
Title from HTML index page (viewed on Dec. 5, 2008).
Mode of access: Internet from the USGS web site. Address as of 12/5/08: http://pubs.usgs.gov/sim/3051/ ; current access via PURL.
System requirements: PC with Internet access and Adobe Acrobat Reader to handle .pdf (Portable Document Format) files.