Geology 1

Topographic Map Tutorial 1

The image above includes a small part of the Lassen Volcanic National Park and Vicinity, California, 1957, topographic map. The original map scale was 1:62,500 before the image was scanned and enlarged.

Use this image to answer the questions below. Three photographs of this area (taken by Dr. Licari) are also available. These photos may be helpful in answering some of the questions. These photos show the following views:

When you have answered the questions, click on the answer page link at the bottom of this page to check your work.

1. What is the contour interval for this part of the map?

2. Why is the Emigrant Trail jeep trail represented by a dashed line?

3. The arrow marked A is pointing to what type of contour line?

4. What type of feature is present at B?

5. What type of feature is present at the top of Cinder Cone at location C?

6. What type of lava flow makes up the Fantastic Lava Beds? (look at the photo at the link above to help with this one)

7. The square labeled 16 on the map (outlined with dashed lines) is an example of a: __________________ (fill in the blank)

8. What is the area of the square?

9. What is the approximate area covered by Cinder Cone?

10. What specific type of landform is Cinder Cone? How can you tell?

Click here to check your answers

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Page posted October 1, 1998