CHICAGO ROCKS!  Geology in the City
ESCI 109, Section 03
Fall 2008


Daily Objectives #13 (October 7, 2008)                                                                                            Dr. Sanders

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

TOPOGRAPHIC MAPS, cont'd.

w Explain what a contour is.

w
Draw simple topographic maps that illustrate various landforms:
Review from before New this week
• steep slope
• gentle slope
• plain
• hill
• closed basin
• ridge
• valley
• stream valley

w Interpret the contours on a topographic map showing the landforms listed above.

w Using a US Geological Survey (USGS) topographic map, do the following:

• Determine the latitude and longitude of the sides of the quadrangle;
• Determine the elevation of a given point on the map;
• Identify streams;
• Find the elevation of a stream at a given point on the map.

Department of Earth Science | Northeastern Illinois University

© 2008 Laura L. Sanders.  Last updated October 5, 2008.