State of Texas, highlighting low-lying areas derived from USGS digital elevation data /

Bibliographic Details
Main Author:	Kosovich, John J.
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Map
Language:	English
Published:	Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2008.
Edition:	Version 1.0, posted Nov. 2008.
Series:	Scientific investigations map ; 3050.
Subjects:	Texas > Relief models > Maps.
Online Access:	https://purl.fdlp.gov/GPO/LPS111941

Description
Item Description:	Relief shown by shading and gradient tints. Title from HTML index page (viewed on Dec. 9, 2008). Includes text and location map. Electronic resource.
Physical Description:	1 electronic map : HTML, digital, PDF file.
Format:	System requirements: Windows XP (version 5.1 or later) or Macintosh Power PC G3, 4, or 5, with Internet hookup and ArcGIS version 9.1 compatibility, and Adobe Acrobat for viewing .pdf files (see also Readme file). Mode of access: Internet from the USGS web site. Address as of 4/28/09: http://pubs.usgs.gov/sim/3050/ ; current access is available via PURL.