44% of river and stream miles, 64% of lake acres, 30% of estuarine square miles, and 93% of Great Lakes shoreline miles are not clean enough to support designated uses such as fishing or swimming.
NSF EFRI Grantees Conference
Wednesday, March 23, 2011 - 1:12pm - Friday, March 25, 2011 - 2:12pm
Arlington, VA
