Ray, Richard G.
Aerial photograph in geologic interpretation and mapping / by Richard G. Ray. - Washington : United States Government Printing Office, 1960. - vi, 230 p. : ill. ; 28 cm. - Geological survey professional paper ; 373 .
Includes index.
Bibliography: p. 224 - 227.
Geology--Aerial photography.
Photographic interpretation.
Geological mapping.
551.028 / R264
Aerial photograph in geologic interpretation and mapping / by Richard G. Ray. - Washington : United States Government Printing Office, 1960. - vi, 230 p. : ill. ; 28 cm. - Geological survey professional paper ; 373 .
Includes index.
Bibliography: p. 224 - 227.
Geology--Aerial photography.
Photographic interpretation.
Geological mapping.
551.028 / R264