CHICAGO ROCKS!  Geology in the City 
                                                                                 ESCI 109
                                                                              Spring 2010

Daily Objectives #29 (April 27, 2010)                                                  J. Hemzacek and L. Sanders

By the end of today's class, you should be able to do the following:

w  Define the terms watershed and divide

w  Demonstrate how to locate the position of a divide on a topographic map. 

w  Demonstrate how to outline a watershed using a topographic map.

w  Demonstrate how to determine what direction a stream flows based on the pattern of contour lines on a topographic map.  (Hint:  you should be able to do this even if there are no numbered contours on the map!) 

Department of Earth Science | Northeastern Illinois University

Copyright 2010 Laura L. Sanders.  Last updated April 27, 2010.