Video
Scientists and Citizens – with Audio Description and Closed Captioning
Description
Dr. R. Edward DeWalt, a scientist with the Illinois Natural History Survey, enlists volunteers to see what stoneflies, mayflies, and caddisflies say about water quality at Sleeping Bear Dunes and Indiana Dunes National Lakeshores.
Duration
6 minutes, 13 seconds
Credit
Ravenswood Media
Date Created
09/24/2015
Copyright and Usage Info