Mode of access: Internet from the USGS web site. Address as of 5/5/09: http://pubs.usgs.gov/of/2007/1422/ ; current access is available via PURL. System requirements: PC with Internet access and Adobe Acrobat Reader or similar software to read .pdf (Portable Document Format) files.
Relief shown by contours, shading and bathymetric tints. Title from HTML index page (viewed on May 5, 2008). Includes interactive index of quadrangles covered.