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1. Amtrak Stations: United States and Canada, 2010

Point Stanford University Public content
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.

2. Magnetic Field - Declination Component for the Epoch 2010.0

Line Stanford University Public content
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.

4. Magnetic Field - Inclination Component for the Epoch 2010.0

Line Stanford University Public content
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.

10. Magnetic Field - Total Field Intensity for the Epoch 2010.0

Line Stanford University Public content
2010. National Geophysical Data Center. This shapefile contains isodynamic lines (lines of equal total intensity of the Earth's magnetic field), derived from the International Geomagnetic... National Atlas of the United States.

12. Volcanoes: United States, 2004

Point Stanford University Public content
2004. National Atlas of the United States. This point shapefile includes Holocene volcanoes, which are those thought to be active in the last 10,000 years, that are within an extended area o... National Atlas of the United States.