Students learn about elevations, landform types, principles of scale, location, and much more. They then use the basic information they obtained to read and draw contour lines based on points of known elevation, construct topographic profiles, and determine slope and relief.System RequirementsMac: 68030 processor or better, OS 8.1 to OS X, 5MB RAMWindows: 386DX processor or better, Windows 3.1/95/98/NT/2000/XP, 4MB RAM
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