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The Equator is an imaginary circle equidistant from the poles of the Earth. ... Figure 8-6.—Isogonic chart. Magnetic meridians are in black, geographic meridians and parallels are in blue. Variation is the angle between a magnetic and geographic meridian.
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www.dauntless-soft.com/PRODUCTS/Freebies/Library/books/...
www.dauntless-soft.com/PRODUCTS/Freebies/Library/books/AK/8-2.htm
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Latitude lines are also known as parallels since they are parallel and are an equal distant from each other. Each degree of latitude is approximately 69 miles (111 km) apart; there is a variation due to the fact that the earth is not a perfect sphere but an oblate ... Discover the Secrets of Parallels and Meridians...
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geography.about.com/cs/latitudelongitude/a/latlong.htm
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Parallels and meridians represent the system of geographic grid lines (graticule) and their corresponding latitude and longitude labels. These grid lines are automatically updated whenever the map projection is changed or the Viewport extent is adjusted through panning or zooming.
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support2.dundas.com/OnlineDocumentation/WebMap2005/Para...
support2.dundas.com/OnlineDocumentation/WebMap2005/ParallelsAndMeridians.html
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Map projections: basic concepts - Earth shape, coordinate grid ... Both sets of parallels and meridians are infinite, but of course only a subset is included in any map. A point's latitude and longitude (usually measured in degrees) define the crossing of a parallel and a meridian, respectively.
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www.progonos.com/furuti/MapProj/Normal/CartDef/cartDef....
www.progonos.com/furuti/MapProj/Normal/CartDef/cartDef.gr.html
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Latitude lines are the map lines that run east and west. The lines that run North to South are called longitude lines. The Prime Meridian is the line of longitude that is marked as 0 degrees. The Equator is the line of latitude that ... The Equator is an imaginary line that circles the earth about 25,000 miles. ... Types of Maps...
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www.wacona.com/promote/maps/paralle_and_meridans.htm
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Maps and globes only show some of the meridians and parallels because if they showed all of them then the map would be black with lines and not very useful. Longitude and latitude are measured in degrees and marked with the "°" symbol.
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www.mapthematics.com/Essentials/Essentials.html
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Parallels of Latitude (a) are circles running East-West to measure North-South! Meridians of Longitude are semi-circles running North-South to measure East-West!
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www.sci.uidaho.edu/scripter/geog100/lect/01-foundations...
www.sci.uidaho.edu/scripter/geog100/lect/01-foundations-of-geography/parallels-meridians.htm
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Objective: to use parallels and meridians to find places on a world map ... Longitude The other set of lines is called meridians of longitude. They are not parallel because they all meet at the North Pole and the South Pole.
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www.dsusd.k12.ca.us/Schools/alted/geography/lineslat.ht...
www.dsusd.k12.ca.us/Schools/alted/geography/lineslat.htm
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Parallels and Meridians Display in MapPoint 200 ... This globe view map was produced by a MapPoint 2002 COM add-in designed to display parallels and meridians at spacings of 15 degrees for any MapPoint 2002 map. Note that the Prime Meridian and the Equator are shown with a heavier weight line.
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www.mp2kmag.com/gallery/?id=28
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