Opposite Union Station is a row of four-to-six-story fortresses of stout masonry, built to hold tons of agricultural and mining machinery, foodstuffs, clothing, and other merchandise. Following the high standards set by H. H. Richardson's celebrated Marshall Field Wholesale Store in Chicago, Denver's wholesale merchants hired leading architects to design these stylish brick and stone warehouses, which also served as sample rooms and corporate headquarters. Since the 1980s most of them have been converted to offices, lofts, and retail outlets. New York Times architecture critic Paul Goldberger called the Wynkoop Street warehouse row one of Denver's finest architectural legacies.