1934 ., 2012, air, alger county, all-metal, art, autumn, beach, before a storm, boeing, branch, bridge, chapel falls, chicago, city, clouds, cool, corvette, detroit, engine, fighter, ford, forest, illinois, interceptors, lake, lake michigan, leaves, michigan, monoplane group, motor, night, p-26a, peashooter, pier, pine, plane, pratt&whitney, purple, river, rock, rock river falls, sea, selfridge field, six-cylinder, sky, skyscrapers, sr-1340e., stones, storm clouds, sun, sunrise, sunset, the group, the roots, town, tree, united states, usa, waterfall, waves, with radial