The Port of Portland has unloaded 66 acres of prime development property that will likely be turned into much-needed industrial space for the metro region. Commissioners yesterday approved two separate property sales at the Gresham Vista Business Park. Nearly 29 acres on three lots were sold to Trammell Crow Company for $7.8 million; an additional 37 acres went to Specht Development Inc. for $9.3 million. The developers could build up to six new buildings on the properties totaling more than 1.2...