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![Atlantic Hydrographic Branch](https://webarchive.library.unt.edu/eot2008/20080916195755im_/http://chartmaker.ncd.noaa.gov/hsd/images/ahblabel.gif)
The Atlantic Hydrographic Branch (AHB) processes hydrographic survey data acquired by NOAA hydrographic vessels, Navigation Response Teams and performs quality assurance on data from NOAA contractors. These data are then used by branch personnel to compile cartographic revisions to NOAA nautical charts. |
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