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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Harbor Mountain Road Design
Sitka, Alaska
We were contracted by the U.S. Department of Agriculture U.S. Forest Service, Alaska Region to perform a preliminary line survey and hydro-site surveys in preparation for the engineering upgrade design of an existing 4.8 mile (7.6 kilometer) mountain road used as the primary access to public recreational facilities.
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