Postcard of circa 1910 automobile with large U.S. flag at the corner of 4th Avenue and Main St. in Grinnell, Iowa, possibly leading a 4th of July parade. Corrough block on the northwest corner is visible in the background. To the south is H.R. Ritter Hardware (905 Main Street). Drake Community Library (Grinnell, Iowa) Archives. McNally photographs. Collection #1, Series #1-1.