Map displays bathymetry, marine water body names and undersea feature namesThe ocean map app was developed by GCS Research, an award winning geospatial technology company.The ocean map includes bathymetry, marine water body names, undersea feature names, and derived depth values in meters. Land features include administrative boundaries, cities, inland waters, roads, overlaid on land cover and shaded relief imagery.The map was compiled from a variety of best available sources from several data providers, including General Bathymetric Chart of the Oceans GEBCO08 Grid version 20100927 and IHOIOC GEBCO Gazetteer of Undersea Feature Names August 2010 version http:www.gebco.net, National Oceanic and Atmospheric Administration noaa and National Geographic for the oceans; and DeLorme, NAVTEQ, and Esri for topographic content The Ocean map currently provides coverage for the world down to a scale of 1:577k, coverage for United States waters down to 1:72k, and coverage down to 1:9k in limited areas of US waters.contact GCS Research to build your custom GIS smartphone app.http:www.gcsresearch.com