Smithsonian Report, 1959—Gordon PLATE 1 
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1. The writer watching mirage on Black Hill, observation point from which Cocopah and 
Picacho mirages were seen. 
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2. This is one of the water-in-the-road mirages. The photograph was taken in Yuma, Ariz., 
by the writer in June 1959. There is absolutely no water in the street. 
