Generalized bedrock geologic map of the Helena area, west-central Montana /
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| Corporate Author: | |
| Format: | Government Document Map |
| Language: | English |
| Published: |
[Reston, Va.] :
U.S. Dept. of the Interior, U.S. Geological Survey,
2002.
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| Edition: | Version 1.0, last modified 07-Aug-2002. |
| Series: | Water-resources investigations report ;
00-4212. |
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| Online Access: | https://purl.fdlp.gov/GPO/LPS105445 |
| 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."." Electronic resource. |
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| 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. |