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NOTE: Surveys shown are the most recent available. For information regarding previous surveys, contact the Navigation Section.

 Hydrographic surveys are in Bentley Microstation V8i DGN format. Click on the self extracting ZIP file below and save to your hard drive. Open the survey in your CADD Software Product or Bentley (Free) View software. See Bentley website to obtain free viewer.

 XYZ Data – ASCII (space delimited) bathymetry sounding data, sorted for minimum depths for printing within a scale dependant plot for data represented within CAD file.

 Hydrographic Surveys, Survey Results / Channel Condition Reports are in PDF format.

Meta Data text file image Metadata file.

Rhode Island Navigation Projects   

The Corps has completed 18 navigation projects in Rhode Island. These projects have improved rivers, bays, coves, and harbors that are used by commercial interests, fishermen, and the many recreational boaters that benefit from Rhode Island's intricate and fascinating coastline and its inland waterways. Initial work on many of the projects dates back to the 19th century. However, most of the navigation work in Rhode Island's waterways has been constructed by the Corps within the past 50 years, at an aggregate cost of $33.3 million. Below are the Corps' navigation projects in Rhode Island.
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Click here to expand contentClick here to collapse content  Apponaug Cove | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
6/2/2015
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Block Island (Great Salt Pond) | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
7/28/2016
Government After Dredge Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Block Island Harbor of Refuge | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
7/28/2015
After Dredge Survey
 Complete Project Drawing
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7/28/2016  Government After Dredge Survey
 Supplemental Drawing		 Meta Data text file image
Click here to expand contentClick here to collapse content  Bullocks Point Cove | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
11/7/2014
Condition Survey
Complete Project Drawing
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9/8/2016  Condition Survey
Supplemental Drawing		        Meta Data text file image
Click here to expand contentClick here to collapse content  Coasters Island Harbor
Publication Date: 4/12/2013
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Click here to expand contentClick here to collapse content  Greenwich Bay
Publication Date: 7/10/2009
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Click here to expand contentClick here to collapse content  Little Narragansett Bay and Watch Hill Cove | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
 7/8/2013
              Condition Survey               Complete Project Drawing
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1/22/2016

         After Dredge Survey          Supplemental Project Drawing

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Click here to expand contentClick here to collapse content  Newport Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
1/23/2012
Condition Survey
Complete Project Drawing
Click here to expand contentClick here to collapse content  Oakland Beach
Publication Date: 11/6/2009
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Click here to expand contentClick here to collapse content  Pawcatuck River
Publication Date: 5/30/2012
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Click here to expand contentClick here to collapse content  Pawtuxet Cove
Publication Date: 2/4/2011
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Click here to expand contentClick here to collapse content  Point Judith Pond and Harbor of Refuge
Publication Date: 2/15/2012
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Click here to expand contentClick here to collapse content  Potowomut River
Publication Date: 3/2/2005
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Click here to expand contentClick here to collapse content  Providence River and Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
8/4/2016
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Sakonnet Harbor
Publication Date: 9/14/2012
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Click here to expand contentClick here to collapse content  Sakonnet River
Publication Date: 2/4/2010
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Click here to expand contentClick here to collapse content  Seekonk River
Publication Date Project Map PDF Drawing

Survey Results

 DGN File XYZ File Meta Data Master Layout
7/17/2013  
Click here to expand contentClick here to collapse content  Warren River | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
9/23/2013
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Warwick Cove | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
07/15/2016
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Wickford Harbor
Publication Date: 4/18/2012
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