2010. Hunt, Raquel and United States. Bureau of Transportation Statistics. This point shapefile depicts Amtrak inter-city railroad passenger terminals in the United States and Canada. Attribute data include services and pa... United States. Bureau of Transportation Statistics.
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2010. Nature Conservancy (U.S.). This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ... Northeast Ocean Data.
2010. Nature Conservancy (U.S.). This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ... Northeast Ocean Data.
2010. Nature Conservancy (U.S.). This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ... Northeast Ocean Data.
2010. Strocko, Ed, United States. Bureau of Transportation Statistics, and Battelle Memorial Institute. This polyline shapefile depicts the spatial component of the FAF network derived from National Highway System Version 2009.11 and contains state pr... United States. Bureau of Transportation Statistics.
2010. National Geophysical Data Center. This map layer shows isogonic lines (lines of constant declination of the Earth's magnetic field), derived from the International Geomagnetic Refer... National Atlas of the United States.
2010. National Geophysical Data Center. This line shapefile shows lines of equal horizontal intensity of the Earth's magnetic field, derived from the International Geomagnetic Reference F... National Atlas of the United States.
2010. National Geophysical Data Center. This shapefile shows isoclinic lines (lines of constant inclination of the Earth's magnetic field), derived from the International Geomagnetic Refe... National Atlas of the United States.
2010. National Geophysical Data Center. This map layer shows isoporic lines (lines of equal annual change, or secular variation, in the declination of the Earth's magnetic field), derived... National Atlas of the United States.
2010. National Geophysical Data Center. This line shapefile shows lines of equal annual change (secular variation) in the horizontal component of the total field intensity of the Earth's ... National Atlas of the United States.
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