CHICAGO ROCKS! Geology in the City
ESCI 109, Section 01
Fall 2009
Daily Objectives
#14 (October 22, 2009)
Dr. Sanders
By the end of today's class, you should be able to do the following:
Topographic Maps
w Use contours on a topographic map to find the
location of stream valleys.
w Determine the direction of flow of a stream using
contours on a topographic map.
w Sketch what a stream valley would look like on a
topographic map.
The Mega-Mosaic
w Determine the
locations of high land and low land for a select group of topographic
quadrangles.
w Put together the
information from the topographic quadrangles to complete a "mosaic" picture of
topography in the area of interest.