#### Here are some different ways to look at the
information we have about the Great Lakes. Click below to go to any
graph.

**| ****DEPTH****
| ****ELEVATION****
| ****LENGTH****
| ****POPULATION****
| ****RETENTION
TIME**** |
****VOLUME****
| ****AREA****
| ****WIDTH****
|**

**BACK TO THE PROBLEMS
4-6**** **

**BACK TO THE PROBLEMS
7-8**

**| ****DEPTH****
| ****ELEVATION****
| ****LENGTH****
| ****POPULATION****
| ****RETENTION
TIME**** |
****VOLUME****
| ****AREA****
| ****WIDTH****
|**

**BACK TO THE PROBLEMS 4-6****
**

**BACK TO THE PROBLEMS
7-8**

**| ****DEPTH****
| ****ELEVATION****
| ****LENGTH****
| ****POPULATION****
| ****RETENTION
TIME**** |
****VOLUME****
| ****AREA****
| ****WIDTH****
|**

**BACK TO THE PROBLEMS 4-6****
**

**BACK TO THE PROBLEMS
7-8**

**| ****DEPTH****
| ****ELEVATION****
| ****LENGTH****
| ****POPULATION****
| ****RETENTION
TIME**** |
****VOLUME****
| ****AREA****
| ****WIDTH****
|**

**BACK TO THE PROBLEMS 4-6****
**

**BACK TO THE PROBLEMS
7-8**

**| ****DEPTH****
| ****ELEVATION****
| ****LENGTH****
| ****POPULATION****
| ****RETENTION
TIME**** |
****VOLUME****
| ****AREA****
| ****WIDTH****
|**

**BACK TO THE PROBLEMS 4-6****
**

**BACK TO THE PROBLEMS
7-8**

**| ****DEPTH****
| ****ELEVATION****
| ****LENGTH****
| ****POPULATION****
| ****RETENTION
TIME**** |
****VOLUME****
| ****AREA****
| ****WIDTH****
|**

**BACK TO THE PROBLEMS 4-6****
**

**BACK TO THE PROBLEMS
7-8**

**| ****DEPTH****
| ****ELEVATION****
| ****LENGTH****
| ****POPULATION****
| ****RETENTION
TIME**** |
****VOLUME****
| ****AREA****
| ****WIDTH****
|**

**BACK TO THE PROBLEMS 4-6****
**

**BACK TO THE PROBLEMS
7-8**

**| ****DEPTH****
| ****ELEVATION****
| ****LENGTH****
| ****POPULATION****
| ****RETENTION
TIME**** |
****VOLUME****
| ****AREA****
| ****WIDTH****
|**

**BACK TO THE PROBLEMS 4-6****
**

**BACK TO THE PROBLEMS
7-8**

**| ****DEPTH****
| ****ELEVATION****
| ****LENGTH****
| ****POPULATION****
| ****RETENTION
TIME**** |
****VOLUME****
| ****AREA****
| ****WIDTH****
|**

**BACK TO THE PROBLEMS 4-6****
**

**BACK TO THE PROBLEMS
7-8**