Lab 2 : Topographic Maps

1. What is the name of the quadrangle?
Beverly Hills Quadrangle.

2. What are the names of the adjacent quadrangles?

1. Canoga Park, 2. Van Nuys, 3. Burbank, 4. Topanga, 5. Hollywood, 6. (Ocean), 7. Venice, 8. Inglewood.

3. When was the quadrangle first created?

1995.

4. What datum was used to create your map?

North American Datum of 1927 (NAD 27) and North American Datum of 1983 (NAD 83) [horizontal data] and Geodetic Vertical Datum of 1929 [vertical datum].

5. What is the scale of the map?

1 to 24,000.

6. At the above scale, answer the following:

a) 5 centimeters on the map is equivalent to how many meters on the ground?

x = 5cm * 24,000

= 120,000 cm. / 100

= 1,200 meters.

b) 5 inches on the map is equivalent to how many miles on the ground?

x = 5 in * 24,000

= 120,000 in.

120,000 in. / 12 in. = 10,000 ft.

10,000 ft. / 5,280 ft

= 1.894 miles.

c) one mile on the ground is equivalent to how many inches on the map?

1/24,000 mi = 1 mi on the ground
(1/24000) * 63360 in.
= 2.640 inches.

d) three kilometers on the ground is equivalent to how many centimeters on the map?

1km = 1000 m = 100,000 cm

100,000 cm * 3

= 300,000 cm / 24,000

= 12.5 cm.

7. What is the contour interval on your map?

20 feet.

8. What are the approximate geographic coordinates in both degrees/minutes/seconds and decimal degrees of:

a) the Public Affairs Building;

Latitude - 34º4'28" N, or 34.0748º
Longitude - 118º26'35" W, or -118.439º

b) the tip of Santa Monica pier;
Latitude - 34º0'27" N, or 34.0075°
Longitude - 118º30'0" W, or -118.5°

c) the Upper Franklin Canyon Reservoir;
Latitude - 34º7'16" N, or 34.1211º
Longitude - 118º24'35" W, or -118.4097º
11/2 inches = 2'30" or 150"
1/2 inch (UFCR) = x"
150"/2 in. = 75" in. * (2/11 in.) = 13.6363"
34º7'30" - 13.64" = 34º7'16"
D + (7/60) + (16/3600) = 34.1211º

9. What is the approximate elevation in both feet and meters of:

a) Greyston Mansion (in Greystone Park);

580 ft.; 176.784 m.
1 ft = .3048 m
580 ft * .3048 m.
= 176.784 m.

b) Woodlawn Cemetery;
140 ft.; 42.672 m.
1 ft = .3048 m
140 ft. * .3048 m.
= 42.672 m.

c) Crestwood Hills Park;
680 ft.; 207.264 m.
1 ft = .3048 m
680 ft. * .3048 m.
=207.264 m.

10. What is the UTM zone of the map?

Zone 11.

11. What are the UTM coordinates for the lower left corner of your map?

³61.5 Easting

³⁷63 Northing

12. How many square meters are contained within each cell (square) of the UTM gridlines?

1000 m. * 1000 m. = 1 million sq. meters.

13. 

14. What is the magnetic declination of the map?

 +14 degrees.

15. In which direction does water flow in the intermittent stream between the 405 freeway and Stone Canyon Reservoir?

The water flows South.
16.