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IOWATER Benthic Key

The benthic key can be printed in pdf format.   This key was revised November 2001.  Adobe Acrobat Reader is needed to print the pdf file.  To download a free copy of Adobe Acrobat Reader, click here.

Page 1 of benthic key (front side; 139 kb)

Page 2 of benthic key (back side; 162 kb)