It's Really Easy!!!! Pre-Exercise

1. Go to http://atlas.library.arizona.edu

2. Click on "Make a Map" on the upper left hand side of the screen.

3. Click on "Natural Resources" on the left hand side of the screen.

4. On the right hand side of the screen you will see a list under the Areas folder:

5. Scroll down to EPA Ecoregions

6. Click in the white box to the left of the words EPA Ecoregions. (A checkmark will appear in the box and next to it a red box with the message "Redraw map.")

7. Go to the bottom of the screen on the right hand side. You will find a brown button that says "Redraw map." Click on this button.

8. How did the map change?

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