National capital region Chapter
Thank you for visiting The Hydrographic Society of America - National Capital Region Chapter.
The Hydrographic Society of America (THSOA) National Capital Region Chapter serves as the focal point for hydrographic activities in Washington, DC and surrounding areas.
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The Hydrographic Society of America (THSOA) National Capital Region Chapter is a non-profit organization committed to promoting education in offshore survey, positioning and mapping, including hydrography and related earth sciences.
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