Maps of Helena and East Helena quadrangles, Montana, showing areal distribution of surficial deposits and bedrock and location of geological faults

Open-File Report 77-129
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Publication type Report
Publication Subtype USGS Numbered Series
Title Maps of Helena and East Helena quadrangles, Montana, showing areal distribution of surficial deposits and bedrock and location of geological faults
Series title Open-File Report
Series number 77-129
DOI 10.3133/ofr77129
Edition -
Year Published 1977
Language ENGLISH
Description 2 maps.; 5 p.
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