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

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