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2014. Geological Survey (U.S.). This polygon shapefile contains the boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was created by extract... Geological Survey (U.S.).
1992 and 1993. Geological Survey (U.S.). This raster layer is a georeferenced grid map image of land cover characteristics for North America, excluding Hawaii, and including the Caribbean ... Geological Survey (U.S.).
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.
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.
Hijmans, Robert J. This polygon shapefile contains the boundary of Canada (adm0). This layer is part of the Global Administrative Areas 2015 (v2.8) dataset. University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
1992 and 1993. Ritters, Kurt. This raster layer is a grid map of North America including the Caribbean and most of Mexico in GeoTIFF format. The map layer is an excerpt from a g... National Atlas of the United States.
1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, and 2002. USGS National Center for EROS. The North America Shaded Relief data were derived from the GTOPO30 elevation data. GTOPO30 is a global digital elevation model (DEM) with a horizon... National Atlas of the United States.
1815. Rumsey, David, 1944-, Bouchette, Joseph, and Faden, William, 1749-1836. This layer is a georeferenced image of a map of Quebec. The map is a composite of the 4 easternmost sheets of 10-sheet engraved map of lower Canada... Cartography Associates.
1815. Rumsey, David, 1944- and Bouchette, Joseph. This layer is a georeferenced image of a map of Canada originally created by J. Bouchette in 1815. The original map appears in "(Description Topogr... Cartography Associates.
Hijmans, Robert J. This polygon shapefile contains the first-level administrative divisions of Canada (adm1). Level 1 divisions include provinces and territories. Thi... University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.