778.35
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Ray, Richard G. (Richard Godfrey), 1920.
Aerial photographs in geologic interpretation and mapping / Richard G. Ray.
— Washington : U.S. Govt. Print. Off., 1960. vi, 230 p. : il., mapas, diagrs. ; 29 cm. — (Geological Survey Professional Paper ; 373)
Bibliografía: p. 224-227.
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