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2013. Geological Survey (U.S.). This raster layer is a georeferenced image containing a 100-meter resolution land and water mask of the conterminous United States, with separate v... National Atlas of the United States.
2014. National Atlas of the United States. This line shapefile includes Global Map data showing the coastline of the United States, Puerto Rico, and the U.S. Virgin Islands. The United State... National Atlas of the United States.
2001. National Atlas of the United States. The Bathymetric Shaded Relief of North America map layer shows depth ranges using colors, with relief enhanced by shading. The image was derived fr... National Atlas of the United States.
2001. National Atlas of the United States. The Bathymetry of North America map layer shows depth ranges using colors. The image was derived from the National Geophysical Data Center's ETOPO2... National Atlas of the United States.
2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, and 2022. United States. National Oceanic and Atmospheric Administration. This line shapefile represents existing and planned electric transmission lines through 2022 in the New England coastal region (United States). A t... United States. National Oceanic and Atmospheric Administration.
2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, and 2022. United States. National Oceanic and Atmospheric Administration. This point shapefile represents existing electrical transmission substations and those planned through 2022 for the New England coastal region. A s... United States. National Oceanic and Atmospheric Administration.
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Canada Centre for Mapping, and Geological Survey (U.S.). This polygon shapefile contains bathymetric data with depth in metres for ocean areas covered by the extent of the North American Atlas project. Is... Canada Centre for Mapping, Instituto Nacional de Estadística, Geografía e Informática (Mexico), and Geological Survey (U.S.).