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U.S. Geological Survey Open-File Report 2007-1373

Prepared in cooperation with the Massachusetts Office of Coastal Zone Management

High-Resolution Geologic Mapping of the Inner Continental Shelf: Cape Ann to Salisbury Beach, Massachusetts

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By Walter A. Barnhardt1, Brian D. Andrews1, Seth D. Ackerman2, Wayne E. Baldwin1 and Christopher J. Hein3

Published 2009

Cover image for Open-File Report 2007-1373

1U.S. Geological Survey, Woods Hole, MA
2Massachusetts Coastal Zone Management, Boston, MA
3Department of Earth Sciences, Boston University, Boston, MA

Note: To download a printer-friendly copy of this report including figures in PDF format, Click Here (7.4 MB)

Contact Information:
Walter Barnhardt
U.S. Geological Survey
Woods Hole Science Center
384 Woods Hole, Massachusetts 02543
phone: 508-548-8700

DVD Order Information: To order a DVD of the report and data, contact the authors at the address above.


The geologic framework of the Massachusetts inner continental shelf between Cape Ann and Salisbury Beach has been shaped by a complicated history of glaciation, deglaciation, and changes in relative sea level.  New geophysical data (swath bathymetry, sidescan sonar and seismic-reflection profiling), sediment samples, and seafloor photography provide insight into the geomorphic and stratigraphic record generated by these processes.  High-resolution spatial data and geologic maps in this report support coastal research and efforts to understand the type, distribution, and quality of subtidal marine habitats in the Massachusetts coastal ocean.


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