Geologic map of the Saint Helens quadrangle, Columbia County, Oregon, and Clark and Cowlitz counties, Washington /

Includes readme file, shapefiles, metadata, compressed digital database, PDF file of pamphlet, and PDF file of map sheet.

Bibliographic Details
Main Author:	Evarts, Russell C.
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Map
Language:	English
Published:	[Reston, Va.] : U.S. Geological Survey ; 2004.
Series:	Scientific investigations map ; 2834.
Subjects:	Geology > Washington (State) > Clark County > Maps. Geology > Washington (State) > Cowlitz County > Maps. Geology > Oregon > Columbia County > Maps.
Online Access:	https://purl.fdlp.gov/GPO/LPS50226

Description
Summary:	Includes readme file, shapefiles, metadata, compressed digital database, PDF file of pamphlet, and PDF file of map sheet.
Item Description:	Relief shown by contours and spot heights. Title from HTML index screen (viewed on Aug. 2, 2004). Includes text, 1 location map, 1 colored index map, and 2 cross sections. Electronic resource.
Physical Description:	1 electronic map : HTML, digital, PDF file. Also available via print-on-demand.
Format:	Mode of access: Internet from the USGS web site. Address as of 4/7/08: http://pubs.usgs.gov/sim/2004/2834/ ; current access via PURL.
Bibliography:	Includes bibliographical references in accompanying pamphlet (pages 13-17).