Petrology of the Crazy Mountains dike swarm and geochronology of associated sills, south-central Montana /

Bibliographic Details
Main Author:	Du Bray, E. A.
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Harlan, Stephen S., Wilson, Anna B. (Anna Burack)
Format:	Government Document Book
Language:	English
Published:	Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006.
Series:	U.S. Geological Survey professional paper ; 1715.
Subjects:	Petrology > Montana > Crazy Mountains. Dikes (Geology) > Montana > Crazy Mountains. Historical geology > Montana > Crazy Mountains. Sills (Geology) > Montana > Crazy Mountains.
Online Access:	https://purl.fdlp.gov/GPO/LPS98635

Description
Item Description:	Title from PDF title page (viewed July 29, 2008). Electronic resource.
Physical Description:	iii, 21 pages : digital, PDF file. Also available in print.
Format:	Mode of access: Internet from the USGS web site. Address as of 7/29/08: http://pubs.usgs.gov/pp/2006/1715/pdf/P1715.pdf ; current access is available via PURL.
Bibliography:	Includes bibliographical references.