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Bathymetric Surveys

We conduct hydrographic surveys using state-of-the-art survey equipment and the most stringent quality-control standards required by U.S. Army Corps of Engineers for federal navigation projects. We are experienced at establishing tidal datums and North American Vertical Datum of 1988 conversions using National Oceanic and Atmospheric Administration-approved methods.

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We conduct hydrographic surveys to create bathymetric contour maps for multiple purposes, including navigation safety, pre- and post-dredge inspections, lake and reservoir volume computations, and site assessments. Bathymetric surveys use:

  • Single-beam or multibeam depth finders to measure water depth
  • Towed side-scan sonars for images of seafloor objects
  • Global positioning system navigation for horizontal positioning
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