UNDERSTANDING TOPOGRAPHIC MAPS
A major problem in map making is the visual representation of relief features such as mountains, plateaus, hills and valleys. The essential difficulty is that we are accustomed to viewing these and other surface features diagrammed from above, as show n on a map, is unfamiliar to most of us.
Use the Columbia quadrangle map for the following lab which has been designed to serve as a means of acquainting you with symbolization and to provide practice in understanding current large and small scale maps.
a. Describe the use of each of these colors on a map.
b. Try to find an example of each of the following features on the quadrangle. Draw the symbol as shown in the space provided. Use colored pencils to note the precise color used.
5. Road, medium duty
6. Power Line
7. Railroad, single track
8. Intermittent Stream
2. Representative Fraction scale
3. Date of Publication
4. Minimum and Maximum Latitude5. Minimum and Maximum Longitude
6. E-W extent
7. N-S extent8. Map Series
9. Magnetic Declination10. Date of Declination
11. UTM Grid Zone
12. General Location in State13. Name of quad just to the east
14. Name of quad just to the northwest
15. Contour Interval16. Datum