The Uncertainty associated with the groundwater pollution problems from the Ironwood Sanitary Landfill prompted a quantative dye trace of the entire South Branch of the Root River in 1981. The compendium presented here is not an official report. The contents of the files on this page are scanned images of Dr. E. Calvin Alexander Jr.'s record keeping from this experiment.
Legislative Commission on Minnesota Resources
Alexander Jr., E Calvin.
August 1981 Root River Dye Trace.
Retrieved from the University of Minnesota Digital Conservancy,
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