Mode of access: Internet from the USGS web site. Address as of 3/17/08: http://pubs.usgs.gov/of/2007/1007/ ; current access via PURL. System requirements: PC with Internet access and ability to display .pdf (Portable Document Format) files; ArcMap version 9 or higher is required for GIS access.
Relief shown by contours and shading. Title from HTML index page (viewed Mar. 27, 2015). At head of title: Prepared in cooperation with the USGS-NPS-NASA EAARL Topography. Includes location map.