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

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Bibliographic Details
Edition:	Version 1.0.
Imprint:	Menlo Park, Calif. : U.S. Geological Survey, 2004.
Description:	1 electronic map : digital, PDF file.
Language:	English
Series:	Scientific investigations map ; 2858 Scientific investigations map ; 2858.
Subject:	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.
Cartographic data:	Scale 1:24,000 ; universal transverse Mercator proj. (W 122⁰45ʹ00ʺ--W 122⁰37ʹ30ʺ/N 38⁰37ʹ30ʺ--N 38⁰30ʹ00ʺ).
Format:	E-Resource Map U.S. Federal Government Document
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/12688971

Hidden Bibliographic Details
Other authors / contributors:	McLaughlin, Robert J. Geological Survey (U.S.)
Notes:	Relief shown by contours and spot heights. Title from HTML index page (viewed Feb. 1, 2004). Accompanied by pamphlet (15 p.) Includes text, location map, ancillary maps, index to quadrangles, tables, and cross sections. Includes bibliographical references in pamphlet (pages 13-15). 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. Available via print-on-demand. System requirements: PC with web browser, ArcInfo 8.1.2 and Adobe Acrobat 5.0.
Other form:	Geology, tephrochronology, radiometric ages, and cross sections of the Mark West Springs 7.5ʹ quadrangle, Sonoma and Napa Counties, California 1 map
GPO item no.:	0619-G-33 (online)
Govt.docs classification:	I 19.91/3:2858

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