Aerial photographs in geologic interpretation and mapping.
Ray, Richard G. 1920-
Aerial photographs in geologic interpretation and mapping. - Washington, U.S. Govt. Print. Off., 1960. - vi, 230 p. illus., maps, diagrs. 30 cm.
Bibliography: p. 224-227.
gs 61000194
Aerial photography.
Photographic surveying.
Geology--Maps.
QE75 / .P9 no. 373
I 19.16:373
Aerial photographs in geologic interpretation and mapping. - Washington, U.S. Govt. Print. Off., 1960. - vi, 230 p. illus., maps, diagrs. 30 cm.
Bibliography: p. 224-227.
gs 61000194
Aerial photography.
Photographic surveying.
Geology--Maps.
QE75 / .P9 no. 373
I 19.16:373