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

Saved in:
Bibliographic Details
Author / Creator:Reynolds, Mitchell W.
Edition:Version 1.0, last modified 07-Aug-2002.
Imprint:[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2002.
Description:1 electronic map : HTML, digital, PDF file.
Language:English
Series:U.S. Geological Survey water-resources investigation report ; 00-4212
Water-resources investigations report ; 00-4212.
Subject:
Cartographic data:Scale 1:100,000 ; Universal transverse Mercator proj. (W 112⁰19ʹ--W 111⁰48ʹ/N 46⁰47ʹ--N 46⁰23ʹ).
Format: E-Resource Map U.S. Federal Government Document
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/7469871
Hidden Bibliographic Details
Other authors / contributors:Geological Survey (U.S.)
Computer file characteristics:Electronic data and programs.
Notes: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."
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.
GPO item no.:0624-B (online)
Govt.docs classification:I 19.42/4:00-4212