Invitational participants will have to know the following 29 topographic map features and symbols for the topographic map contest. You will identify 10 features or symbols during the contest from the following list:
Ridge
Valley
In this example an intermittent stream runs through the base of the valley. The two pictures are identical. The picture on the right has the valley boundary shaded in yellow for ease of identification.
Peak
These two photos are identical. The knob or peak is depicted by the yellow area. The orange area is the boundary of the slope leading up to the knob or peak of this hill.
Saddle
A saddle is the bottom of the slope between two hills. The yellow areas represent the knobs or peaks of two hills. The orange area is the saddle.
You can view topographic maps and print them off from any state in the U.S. from USGS.gov.
Download this page as a PDF.
The following publication “USGS Topographic Map Symbols” was used as a reference for this section of the contest. You will not be tested on any of this additional material. We are providing it here only for those interested in additional map interpretation symbols.