CHICAGO ROCKS! Geology in the City
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.