Introduction to Name ______

Topographic Maps Date ______Period ______

Instructions: Collect the topographic map listed below from the counter, one at a time. Answer the appropriate questions, then put the topographic map back on the counter and proceed to the next map.

Prospect Peak 7½´ Quadrangle

1.  What date was this map first published?

2.  What is the scale of this map?

3.  What is the longitude and latitude of the northwest corner of the map?

Longitude = ______° ______' ______''

Latitude = ______° ______' ______''

4.  What is the longitude and latitude of the northeast corner of the map?

Longitude = ______° ______' ______''

Latitude = ______° ______' ______''

5.  What is the longitude and latitude of the southeast corner of the map?

Longitude = ______° ______' ______''

Latitude = ______° ______' ______''

6.  Why is this map called a 7½´ (7½ minute) map? Hint: find the difference between the two different longitudes and two difference latitudes.

7.  What is the magnetic declination (angle between true north and magnetic north) of this map?

8.  What state is this map located?

9.  What part of the state is this map located?

10.  What is the contour interval of this map?

11.  What is the dominant geologic feature of this map?

12.  Locate Cinder Cone. What is the elevation of Cinder Cone?

13.  What is the elevation at the lowest point of Cinder Cone?

14.  What is the relief of this cone?

15.  What does the green pattern on the map represent? Name an example.

16.  What county is Prospect Peak located?

Grand Canyon 7½´ Quadrangle

1.  What state is this map located?

2.  What part of the state is this map located?

3.  What is the contour interval for this map?

4.  What pattern (hills, valleys, ridges, streams, depressions, etc.) does most contour lines show?

5.  What is the name of the 7½´ map directly south of this map? This is written in italics, just off the map boundary.

6.  What is the name of the 7½´ map southwest of this map?

7.  What is the elevation of Pima Point?

8.  What is the elevation of Tower of Set?

9.  Name three tributaries (streams) flowing into Granite Gorge.

10.  Find the gravel pit located at the bottom right of the map. Draw the symbol that represents this feature.

11.  Find The Abyss. What pattern do the contours make to represent this location?

12.  What is the exact elevation of The Battleship (right side of map)?

13.  What is the elevation around Granite Rapids?

14.  What is the elevation of Mohave Point?

15.  What is the relief between Mohave Point and the Granite Rapids?

16.  What geologic feature (canyon, plateau, drainage, mesa, etc.) is most of the vegetation located?

17.  What is the highest elevation on this map?

18.  What is the lowest elevation on this map?

Lake Itasca 7½´ Quadrangle

  1. What state is this map located?
  1. What part of the state is this map located?
  1. What is the contour interval for this map?
  1. What dominant feature does this map show?
  1. What is Minnesota’s nickname? Look it up on the Internet. Can you see why Minnesota has the nickname it has?
  1. Name two counties represented on this map?
  1. What is the elevation of Elk Lake?
  1. What is the lowest elevation below lake level of Elk Lake?
  1. What color are the contour lines on this map? Is this consistent with the colors I gave you in your notes?
  1. Why do you think the colors are different?
  1. Name five more lakes on this map.