If you do not find the data useful in its present form, please send us a short explanation of the data format you desire and we will consider new alternatives. In the past we have offered a Postscript poster which was available for free download. The Grid covers most of Western Washington, parts of Vancouver Island and most of the inland territorial waters of the United States. What you get is a is a file that unzips to a directory named elvbathy. The grid is in UTM zone 10, NAD27.
Land is positive, water is negative.
Free zip decompression software is available for all flavors of Unix, Windows and Apple. Download a copy from your favorite freeware archive. If you hold the copyright to high resolution topography or bathymetry within the Puget Sound Basin and would be willing to have that data merged into the Puget Sound DEM for free distribution, please contact us. We will give you and your organization credit and the regional data set will improve. High resolution bathymetry is also available for parts of Puget Sound thanks to the folks at NOS and the NOAA Ship Rainier, we are working on including these data as well.