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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2010. National Geophysical Data Center. This shapefile shows lines of equal annual change (secular variation) in the inclination of the Earth's magnetic field, derived from the Internatio... National Atlas of the United States.
2010. National Geophysical Data Center. This line shapefile shows lines of equal annual change (secular variation), in the total field intensity of the Earth's magnetic field, derived fro... National Atlas of the United States.
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.
15. Map of Cuba
1911. Essex, Frank B. Relief shown by form lines. 37 x 98 centimeters Scale approximately 1:1,000,000 General Map Collection. The Division (Washington).
1897. Crowell Publishing Company. Relief shown by hachures. Depths shown by bathymetric isolines.; A supplement to "Woman's Home Companion, January 1, 1897, issue."; Includes text.;... Mast, Crowell & Kirkpatrick Publishers (Springfield, Ohio).
1898. United States. Adjutant-General's Office. Military Information Division. Cuba--Maps.
1991. Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile contains the boundaries for Canada, Mexico, Greenland, the Dominican Republic, Cuba, Haiti, the Bahamas and Jamaica. This la... Environmental Systems Research Institute (Redlands, Calif.).
1922. National Geographic Society (U.S.). Cartographic Division. Scale 1:5,500,000 ; Lambert conformal conic projection with two parallels Insets: Guantanamo Bay, Cuba; ca. 1:400,000.--Porto Rico and the Virgin I... The Society.