FILE 39923 of 44789 |
|
|||
|
File information | |
Filename: | px-0099-d.jpg |
Image Description: | Northville, Michigan - Volunteers search for stoneflies in the Rouge River basin. Stoneflies are sensitive aquatic insects that cannot tolerate pollution. Their presence is an indicator of good water quality. Joe Rathbun wades in Johnson Creek, hoping to dig up stoneflies in his net. Copyright Jim West |
Lightbox: | Add to Lightbox |