Applying a GIS and mixed-integer mathematical programming model, this study evaluates the economic values of a preprocessing technology, stretch-wrap baling, in the biomass feedstock supply chain for a potential commercial-scale switchgrass biorefinery in East Tennessee. Follow this link to learn more: http://ageconsearch.umn.edu/bitstream/103993/2/Analyzing%20the%20Economics%20Values%20of%20Alternative%20Preprocessing%20Facilities%20in%20the%20Biomass%20Feedstocks%20-%20Biorefinery%20Supply%20Chain_prelim.pdf