Geology, tephrochronology, radiometric ages, and cross sections of the Mark West Springs 7.5ʹ quadrangle, Sonoma and Napa Counties, California /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	McLaughlin, Robert J.
Format:	Government Document Map
Language:	English
Published:	Menlo Park, Calif. : U.S. Geological Survey, 2004.
Edition:	Version 1.0.
Series:	Scientific investigations map ; 2858.
Subjects:	Geology > California > Sonoma County > Maps. Tephrochronology > California > Sonoma County > Maps. Radioactive dating > California > Sonoma County > Maps. Geology > California > Napa County > Maps. Tephrochronology > California > Napa County > Maps. Radioactive dating > California > Napa County > Maps.
Online Access:	https://purl.fdlp.gov/GPO/LPS55864

Description
Item Description:	Relief shown by contours and spot heights. Title from HTML index page (viewed Feb. 1, 2004). Accompanied by pamphlet (15 pages). Includes text, location map, ancillary maps, index to quadrangles, tables, and cross sections. Electronic resource.
Physical Description:	1 electronic map : digital, PDF file. Also available via print-on-demand.
Format:	Mode of access: Internet from the USGS web site. Address as of 4/9/08: http://pubs.usgs.gov/sim/2004/2858/ ; current access via PURL. System requirements: PC with web browser, ArcInfo 8.1.2 and Adobe Acrobat 5.0.
Bibliography:	Includes bibliographical references in pamphlet (pages 13-15).