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Preliminary bedrock geologic maps of the Westford and Billerica quadrangles, Middlesex County, Massachusetts

Open-File Report 75-387

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Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Preliminary bedrock geologic maps of the Westford and Billerica quadrangles, Middlesex County, Massachusetts
Series title:
Open-File Report
Series number:
75-387
Edition:
-
Year Published:
1975
Language:
ENGLISH
Description:
2 maps +1 text (14 leaves mounted on 2 sheets); 12 p.
Scale:
24000