GEOS 112L - Pre-Lab assignment


This assignment is due on: September 8th, 2005 at 13:00

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Question 1

What are some of the map scales commonly used in US topographic maps? Which one shows more detail, which one covers more area?


Question 2:

The topographic map below shows one of my field areas, Ongivinuk Lake in Southwestern Alaska.  First, figure out where the mountains and valleys are on this map (remember, water generally collects in depressions, so this part should be easy). Now, what is the shape of these valleys. Are they shaped like giant U's (flat bottoms, steep sides) or giant V's (narrow bottom, sides of constant slope)?

  U-shaped
  V-shaped


Comments:

Use this part to address any problems that you want to be addressed in class, or make any other comments.

 

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