Publisher's Synopsis
Excerpt from The Effects of Barge Traffic on Suspended Sediment and Turbidity in the Illinois River: For United States Fish and Wildlife Service, Rock Island Field Office Ecological Services 1830 Second Avenue, Rock Island, Illinois 61201 Prepared December 3, 1980
Figure 1. The graph reflects the steady increase in tonnage o shipped on the Illinois River and Des Plaines River between Grafton and Lockport after completion of the Illinois Waterway in the l93o's. Source: Starrett (1972)
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