Only the bathymetric data has been edited in the data sets. The elevation data is unedited and is not reliable. Within the files, data is listed along latitude lines starting with the northernmost latitude in the grid going from west to east. Data is given in meters with negative values below sea level. The table below lists the geographic limits of each grid and the grid increment.
All grids are rectangular.
To download data sets, click on the data set link and data should show up on your browser's screen. Then use the browser's Save option to save data. No guarantees are made as to the data's accuracy. 5'W Midway Is.