Carl A. Brauer Jr., 1975 Year 1975 Rights Held By Ann Arbor District Library Copyright Creative Commons (Attribution, Non-Commercial, Share-alike) Ann Arbor Historical Signs Photo Subjects Real Estate Realtors Real Estate Development Real Estate Development - Ann Arbor Greater Ann Arbor Industrial Park Signs & Signage Businesses Carl A. Brauer Jr. Ann Arbor Historical Signs 2858 Research Park Dr.