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27 Cards in this Set
- Front
- Back
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parallels
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Set of circles describes positions north and south of the equator
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latitudes
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the angular distance north and south of the equator
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minutes
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each degree of latitude of 60 equal parts
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seconds
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each minute is divided into 60 equal parts
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meridians
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used to establish east - west locations
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prime meridian
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one meridian selected to be 0 degrees
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longitude
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angular distance, measured in degrees, east and west of the prime meridian
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great circle
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often used in navigation. it is any circle that divides the globe into halves
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geomagnetic poles
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the points on the earths surface just above the poles of imaginary magnet inside the earth
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magnetic declination
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the angle between the direction of the geomagnetic pole and the direction in which the compass needle points
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true north
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the direction of the geographic north pole
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cartography or cartographers
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the science of map making/ map makers
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map projects
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a flat map that represents the 3D curved surface of the globe
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Mercator projection
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cylinder of paper around a lighted globe
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gnomonic projection
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a sheet of paper touching a lighted globe at only one point
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conic projection
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a paper cone placed over a lighted globe
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polyconic projection
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fitting adjoining areas together then produce a continuous map
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legend
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a list of symbols and their meanings
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scale
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indicates the relationship between distance as shown on the map and actual distances
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topographic map
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show surface features or topography
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elevation
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height above sea level
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contour lines
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used to show elevation
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contour interval
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the difference in elevation between one contour and the next
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relief
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difference in elevation between the highest and lowest points of the area mapped
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topographic sheets/ quadrangles
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detailed maps
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index contour
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every 5th contour line thats bolder then the others
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depression contours
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contour lines that form closed loops indicate a hilltop or depression, marked with short straight lines.
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