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.

1:10000 = One inch to feet
1:50000 = One inch to feet
1:63360 = One inch to miles
1:100000 = One centemeter to meters
1:100000 = One inch to miles
1:250000 = One centemeter to km
1:250000 = One inch to miles
1:500000 = One centemeter to km
1:500000 = One inch to miles
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.
Topographic map
What is the contour interval for this map? feet
What is the elevation of Point A? feet
What is the elevation of Point B? feet
What is the elevation of Point C? feet
What is the elevation of Point D? feet
What is the elevation of Point E? feet
What is the elevation of Point F? feet
What is the elevation of Point G? feet
What is the elevation of Point H? feet
What is the elevation of Point I? feet
What is the elevation of Point J? feet
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.
Topographic map
What is the contour interval for this map? feet
What is the elevation of Point A? feet
What is the elevation of Point B? feet
What is the elevation of Point C? feet
What is the elevation of Point D? feet
What is the elevation of Point E? feet
What is the elevation of Point F? feet
What is the elevation of Point G? feet
What is the elevation of Point H? feet
What is the elevation of Point I? feet
What is the elevation of Point J? feet
What is the relief between Points C and F? feet