Hydrographic surveys can be found on the USACE eHydro website. This interactive Webmap allows users to download both recent and historical hydrographic survey data for all navigable, inland and coastal waterways.
Below are some of the recent Huntington District shoaling areas available for download.
Surveys are available in Adobe Reader (PDF) format and in Google Earth (KMZ) format.
To download the free Adobe Reader software, please visit https://www.adobe.com/acrobat/pdf-reader.html or to download a free app for your mobile device, please visit https://www.adobe.com/acrobat/mobile/acrobat-reader.html.
For more information on Google Earth downloads, please visit https://www.google.com/earth/. Check back for more surveys to be added in the future.