GLG 103 Lab 7 Topographic Maps Worksheet

GLG 103 Lab 7

Topographic Maps Worksheet

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Complete all of the items on this page.

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Email the completed worksheet to your Instructor.

Sunnyslope, Arizona Quadrangle

SCALE

1. What is the
scale of this map? (One mile = how many
inches?) You are not given the scale,
but you can figure it out with the information on the map. (Review Figure 7.9) (6 points)

2. How far is
it (in a straight line) from the peak of Moon Hill to the peak of Shaw
Butte? (6 points)

3. Calculate the
area (in square miles) of the white space, which is a quarter of a quarter of a section at: NE 1/4, NE 1/4, S 24,
T3N, R2E? (6 points)

CONTOUR LINES

4.
What is the contour interval on this map? (4 points)

5. What is the purpose of the dotted contour
lines (example: 1230, 1250)? (6 points)

6.
Where are the steepest slopes?
How do you know? (6 points)

7.
Where are the gentlest slopes?
How do you know? (6 points)

8.
What is the elevation of Shaw Butte?
(4 points)

9.
What is the relief of Shaw Butte? (6 points)

10. What is the approximate elevation of the
small hill to the west of Moon Hill?
(The one with water tanks on it.)
(6 points)

11. In what
direction does Cave Creek flow? How can
you tell from the map? (6 points)

LOCATION

12.
What is located at SW ¼, SE ¼, S 13, T3N, R2E? (9 points)

13. What is located at NW ¼, NE ¼, SW ¼, S 30,
T3N, R3E? (9 points)

14.
What is the PLS designation of the Radio Tower on top of Shaw Butte? (9 points)

GRADIENT

15.
What is the gradient of Cave Creek between the top of the map and the
Arizona Canal? (11 points)

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