I think that the Stream of Consciousness that Hemingway uses, is not quite the stream of consciousness of Virginia Woolf, Faulkner, or James Joyce. For one, Hemingway doesn't actually accomplish complete stream of consciousness. Although Hemingway tacks one clause on top of another, he does this only in his italicized sections, and backs away from complete stream of consciousness. Its more a run on style of thinking as compared to Woolf or Joyce. There is a good article on stream of consciousness here entitled, "Hemingway's style of Narration in Snows of Mount Kilimanjaro" http://www.enotes.com/snows-kilimanjaro/5922