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Lower Sangamon River area assessment
Lower Sangamon River area assessment
By Illinois. Dept. of Natural Resources. Office of Scientific Research and Analysis.
The plankton of the Sangamon river in the summer of 1929
The plankton of the Sangamon river in the summer of 1929
By Samuel Eddy
Assessment of water quality and factors affecting dissolved oxygen in the Sangamon River, Decatur to Riverton, Illinois, summer 1982
Assessment of water quality and factors affecting dissolved oxygen in the Sangamon River, Decatur to Riverton, Illinois, summer 1982
By A. R Schmidt
Proposed modification to the authorized Oakley Reservoir project, Sangamon River, Illinois
Proposed modification to the authorized Oakley Reservoir project, Sangamon River, Illinois
By United States. Army. Corps of Engineers.