Tuesday, April 17, 2012

Topographic Maps

1. The name of the quadrangle is Beverly Hills located in Los Angeles County, California.
2. The adjacent quadrangles of Beverly Hills are: Canoga Park, Van Nuys, Burbank, Topanga, Hollywood, Venice, and Inglewood.
3. The quadrangle was first created in 1995.
4. The North American Datum of 1927 and 1983 were used to create this map.
5. The scale of the map is 1:24000 which means one inch is equivalent to 24000 inches.
6. a) Using the conversion of 1cm = 0.3937in, 5cm on the map is equivalent to 1.9inches. 1.9 inches on the map is 47,244 inches on the ground which is also 3,937 feet. Multiplying the measurement in feet by 0.3048 as indicated on the map to find meters, 5cm on the map is equivalent to 1,200 meters.
    b) Five inches on the map is equivalent to 120,000 inches, or 10,000 feet. Since 1 mile is 5,280 feet, 5 inches on the map is equivalent to 1.894 miles.
    c) One mile on the ground is equivalent to 63,360 inches. On the map, 1 mile is 2.64 inches, or 6.70 centimeters.
7. The contour interval on the map is 20 feet.
8. What are the approx. grographic coordinates in both degrees/min/sec and decimal degrees of:
    a) PubAff building: Longitude: 34 degrees 5 minutes 5 seconds, Latitude: 118 degrees 26 minutes 15 seconds;
    b) Tip of SM Pier: Longitude: 34 degrees 15 seconds, Latitude: 118 degrees 30 minutes
    c) Uppter Franklin Canyon Reservoir: Longitude: 34 degrees 6 minutes, Latitude: 118 degrees 24 minutes  50 seconds
9. Approx. elevation in both ft and m of:
    a) Greystone Mansion (in Greystone Park)? 560 ft, or 170.7 meters
    b) Woodlawn Cemetery? 140 ft, or 42.7 meters
    c) Crestwood Hills Park? 760 ft, or 231.5 meters
10. UTM zone of map? UTM zone 11
11 UTM Coords for lower left corner of map?
12. How many sq. m are contained w/in each cell of UTM gridlines? 1,000,000 sq. meters
13.

14. Magnetic declintion of map? 14 degrees
15. In which direction does water flow in the intermittent stream between 405 and Stone Canyon Reservoir? South

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