I In the summer of 2009 a new Model 3800 CR from Wirtgen America Inc. was put to work by Dunn Co. to cold in-place recycle (CIR) Mason County Highway 15 in central Illinois.rnIn-place recycling saved money for the county, as Dunn reported an average cost on the job for the base course of about $26 per ton, compared to fresh hot-mix asphalt selling around $75 per ton at that time.
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