Class Results from the Acid Mine Drainage Field Trip
Earthworm
Counts
|
Lehigh
River Bank
|
Sandy
River Bank
|
|||
| Count 1 |
5
|
3
|
||
| Count 2 |
7
|
2
|
||
| Count 3 |
8
|
4
|
||
| Mean |
6.7
|
3
|
||
| Std Dev |
1.5
|
1
|
||
