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Dec 07 2020
Survey Vessel Dubuque
Rock Island District
Multi-Transducer Sweep
Digitized image of a multi-transducer sweep produced during a river survey.
Rock Island District Survey Vessel
Single Transducer Transects
Digitized image of single transducer transects produced during a river survey.
Multibeam Channel Sweep
Digitized image of a multibeam channel sweep produced during a river survey.
Pool 17 Survey
Digital representation of a river survey completed in Pool 17 of the Mississippi River.
Survey Vessel Clark
Multibeam Point Cloud
A multibeam point cloud taken of the rock floor of the Mississippi River in pool 14 near LeClaire, Iowa.
Hydrographic surveys can be found on the USACE eHydro website. An interactive map and web application allows users to download recent and historical hydrographic survey data for all federal navigation channels.
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