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Generalized bedrock geologic map of the Helena area, west-central Montana

Bibliographic Details
Main Author: Reynolds, Mitchell W.
Corporate Author: Geological Survey (U.S.)
Format: Government Document Online Map Book
Language:English
Published: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2002.
Edition:Version 1.0, last modified 07-Aug-2002.
Series:Water-resources investigations report ; 00-4212.
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Online Access:ONLINE VERSION
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Description
Item Description:Title from HTML index page (viewed Aug. 26, 2002).
This online map is from a larger, in-print report, published in 2000: "Hydrology of Helena area bedrock, west-central Montana, 1993-98 with a section on geologic setting and a generalized bedrock geologic map", by Joanna N. Thamke and Mitchell W. Reynolds."
Physical Description:1 electronic map : HTML, digital, PDF file.
Format:Mode of access: Internet from the USGS web site. Address as of 11/17/08: http://pubs.usgs.gov/wri/wri-00-4212/ ; current access via PURL.