Tulsa Municipal Airport in 1932. The Great Depression arrested population growth in Tulsa. The change in population was insignificant (increasing less than one percent) between the 1930 census and the 1940 census, and the land area increased by only half a square mile. However, the local economy was not devastated in the same degree as much of the rest of the Midwest. Those who had enough land to grow a garden fared better during the depression than those who were in apartments in the city. The poorest communities like West Tulsa, Garden City, Red Fork and Carbondale made their backyards into small gardens and small grocers like Warehouse Market, which is still in business at multiple locations, made their mark as thriving Tulsa businesses. B & B Grocery on the corner of the railroad tracks and 41st Street in Red Fork was one of the stores who were driven out of business during the infrastructure upgrades of the 1960s and 1970s, such as the city building the first heated bridge over the railroad tracks at 41st Street ending at Southwest Blvd. bypassing the B&B Grocery which made it inconvenient to make a sharp left turn by the OK Cleaners to drive back one block to the grocery store. Within a decade the grocery store was gone and many such small, family owned businesses were driven out of businesses through Urban Renewal and the incoming national big box store influx. Crystal City which had been a gathering place of entertainment with amusement rides during the Depression, afterward became a thriving strip mall on old Route 66 in Red Fork on Southwest Blvd between 41st St and 33rd West Ave. During the 1970s it became blighted as TG&Y, Froug's and Safeway were driven out of the Tulsa business market. Now it is a thriving strip mall again, and is a testament of the interest of a new generation in keeping Route 66 history and their older neighborhoods alive. "America's Most Beautiful City": 1940–1960 Tulsa annexed the town of Dawson on July 7, 1949, adding 3,500 residents and of area. For the majority of people, the mid 20th Century blue people proved a time of continuing prosperity. The wealth generated by the early oil industry also helped Tulsa become a leader in the aviation industry. During WWII, the Spartan School of Aeronautics, which belonged to Spartan Aircraft Company was a training site for