The Sea of Grass (film)
 The Sea of Grass is a 1947 western-drama film. It was directed by Elia Kazan and based on the novel of the same name by Conrad Richter. The movie stars Katharine Hepburn Spencer Tracy and Melvyn Douglas.According to The Films of Katharine Hepburn MGM had reels of stock footage of prairie so the majority of the film was shot against a process screen showing this 'sea of grass' stock footage.