EARTH SCIENCE LAB
Topographic Maps

Directions for entering values (unless otherwise directed):
1. Enter all values without commas - example 5,678 would be entered as 5678.
2. Enter all decimal values less than one with a zero before the decimal - example 0.53, 0.32.
3. Round all decimals to 2 decimal places

Ratio Scales

Convert the ratio scales to verbal scales.

1. 1:10000 = One inch to feet
2. 1:50000 = One inch to feet
3. 1:63360 = One inch to miles
4. 1:100000 = One centemeter to meters
5. 1:100000 = One inch to miles
6. 1:250000 = One centemeter to km
7. 1:250000 = One inch to miles
8. 1:500000 = One centemeter to km
9. 1:500000 = One inch to miles
10. 1:1000000 = One centemeter to km

Topographic Measurements - Part I

Answer the following questions using the map below.
- Estimate all elevations to the nearest 5 feet.

Click here to view a shaded elevation map of the topographic map below.

11. What is the contour interval for this map? feet
12. What is the elevation of Point A? feet
13. What is the elevation of Point B? feet
14. What is the elevation of Point C? feet
15. What is the elevation of Point D? feet
16. What is the elevation of Point E? feet
17. What is the elevation of Point F? feet
18. What is the elevation of Point G? feet
19. What is the elevation of Point H? feet
20. What is the elevation of Point I? feet
21. What is the elevation of Point J? feet
22. What is the relief between Points C and F? feet

Topographic Measurements - Part II

Answer the following questions using the map below.
- Estimate all elevations to the nearest 5 feet.

Click here to view a shaded elevation map of the topographic map below.

23. What is the contour interval for this map? feet
24. What is the elevation of Point A? feet
25. What is the elevation of Point B? feet
26. What is the elevation of Point C? feet
27. What is the elevation of Point D? feet
28. What is the elevation of Point E? feet
29. What is the elevation of Point F? feet
30. What is the elevation of Point G? feet
31. What is the elevation of Point H? feet
32. What is the elevation of Point I? feet
33. What is the elevation of Point J? feet
34. What is the relief between Points C and F? feet