TerraSond provides professional survey services around the world safely, effectively, and economically. Our services include hydrographic surveys, land surveys and marine geophysical surveys. We have an experienced team that includes ACSM Certified Hydrographic Surveyors, Registered Professional Land Surveyors, hydrographers, land surveyors, geophysicists, geologists, oceanographers, mariners, cartographers, and GIS and CADD specialists working with our own vessels and equipment, producing surveys and deliverables of the highest quality. Our clients range from oil and gas, pipeline, power and telecom, renewable energy, mining, survey and engineering, shipping, dredging and construction industries, to federal, state, local and foreign government agencies including port authorities, Departments of Transportation, the National Oceanic and Atmospheric Administration (NOAA), and the U.S. Army Corps of Engineers (USACE).

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NOAA Charting - Unimak Pass
Unimak, Alaska
TerraSond was contracted by NOAA to provide modern hydrographic survey data for updating the nautical charts north of Akun Island, Alaska, and also a portion of the Safety Fairway through Unimak Pass connecting the Bering Sea with the North Pacific Ocean.
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