The National Map hydrography data is commonly combined with other data themes, such as boundaries, elevation, structures, and transportation, to produce general reference base maps. The National Map viewer allows free downloads of public domain NHD and WBD data in either Esri File or Personal Geodatabase, or Shapefile formats.
Download the correct image file: Download the firmware based on the camera's model number: NHD-865 (MSB or MSFB) or NHD-866MSD - click HERE to download; NHD-885 (MSB or MSFB) or NHD-886MSD - click HERE to download; NHD-887 (MSB or MSFB) or NHD-888MSD- click HERE to download; Copy the files to a (preferably clean) USB memory stick.