The Urban Survivor moving from the Urban or Suburban’s areas cross-country will need to know how to identify terrain features to be able to figure out what lays ahead of him/her in order to plot routes, plan rest or hole up stops and defensive positions. They are also useful for navigating on – that is figuring out where you are and where you need to go.
The basic terrain features we will cover with a diagram on how it looks on a map, are: Hills, Saddles, Ridges, Depressions, Cliffs and Draws.
Good intoduction. Another good intro can be found at http://www.map-reading.com/ch10-6.php
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