WETMAAP Skill 2
Mobile Bay: Fresh Water Inflow Element 1
Skill 2: Scale Determination
Element 1: Introduce Scale of Map
Materials:
1:24,000 scale USGS map
ruler
Exercise:
1. Use 1:24,000 scale USGS map
2. Examine scale at bottom of page
3. Measure distance across study site from west to east
How many inches is the distance west to east?
4. Place the ruler over bar scale (bar scale measurement in feet).
How many feet equals the measured map distance across the site?
5. Repeat measurements across the site from north to south.
How many inches is the distance north to south?
How many feet equals the measured map distance across the site?