Guam Island: Bathymetry
Zipped data files contain 1) grid data file (GMT or ASCII), 2) JPG and PDF of image, and 3) explanatory metadata text file (identical to linked file listed below).
* Ikonos imagery & USGS Digital Ortho Quarter Quads NOT included with download.
60 meter grid

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Bathymetric data files
Merged Multibeam Bathymetry, IKONOS Derived Depths
Coverage Map

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Bathymetric data files
Multibeam & Lidar Integrated Bathymetry

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Bathymetric data files
5 meter grid

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Bathymetric data files