A Study Based on the Saprobiontic System of the Chain O' Lakes, Antrim, Charlevoix, Kalkaska & Grand Traverse Counties September & October, 1970

Antrim County ; Charlevoix County ; Kalkaska County ; Grand Traverse County ; Chain O' Lakes ; Grand Traverse Bay Watershed ; Saprobiontic System
The purpose of this report is to examine the biological, chemical and physical data collected in a survey of the Chain O' Lakes, Antrim, Charlevoix, Kalkaska, and Grand Traverse Counties, Michigan. The data were used to classify the existing water quality based on the Saprobiontic System. Emphasis was placed on aquatic insects since some of these organisms are sensitive to changes in their environment.
Partial OCR done. 34 pages total.