Hi,

From recent library inquiries, may be of interest if receive similar questions : 


Coastal National Elevation Database
http://topotools.cr.usgs.gov/coned/index.php

Examples: 

Topobathymetric Elevation Model of Northern Gulf of Mexico: 

Topobathymetric Elevation Model of Outer Banks and Pamlico Sound, North Carolina





- USGS Libraries borrowing information is at : http://library.usgs.gov/visitlib.html

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Additional data viewers are available from the USGS Coastal and Marine Geology Program at: http://cmgds.marine.usgs.gov/

Examples:

GeoMapApp and Virtual Ocean : http://cmgds.marine.usgs.gov/viewers.html

National Archive of Marine Seismic Surveys: https://walrus.wr.usgs.gov/NAMSS/

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Example keyword search results: 

USGS publications = offshore : http://pubs.er.usgs.gov/search?q=offshore

USGS publications = seismic offshore : http://pubs.er.usgs.gov/search?q=seismic+offshore

USGS publications = digital chirp : http://pubs.er.usgs.gov/search?q=digital+chirp

USGS publications = subbottom profile : http://pubs.er.usgs.gov/search?q=subbottom+profile

- USGS Libraries borrowing information is at : http://library.usgs.gov/visitlib.html

- to find in a library near you: http://www.worldcat.org/

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USGS Long-Term Archive:  https://lta.cr.usgs.gov/

Coastal National Elevation Database (CoNED) Project - Topobathymetric Digital Elevation Model (TBDEM)

USGS Certification of Imagery : https://lta.cr.usgs.gov/USGS-Certification.pdf 


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Let me know if you need more publication, data, and(or) information sources. 


Enjoy the day!
Emily


Emily C. Wild
Librarian (Physical Scientist)
U.S. Geological Survey, Denver Library
Denver Federal Center
ph: (303) 236-1003
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USGS Libraries: http://library.usgs.gov

Tutorials: http://tinyurl.com/lh3tmua