OVERstreet on SEVENTYfive, a 1.4 million square foot mixed-use commercial/residential center planned by De La Vega Development, will soon rise on a roughly 10.5 acre site formerly owned by the Xerox Corporation. De La Vega recently purchased the property, which is located directly across North Haskell Avenue from CityPlace Tower. According to the Dallas-based company’s website, Hodges Architecture…