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Bedrock exposure map of the Billerica Quadrangle, Massachusetts

Open-File Report 73-5
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Publication type Report
Publication Subtype USGS Numbered Series
Title Bedrock exposure map of the Billerica Quadrangle, Massachusetts
Series title Open-File Report
Series number 73-5
DOI 10.3133/ofr735
Edition -
Year Published 1973
Language ENGLISH
Description 1 map
Scale 24000