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1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Cross section of the Ventura …

1938

Topography and geology

1938

Topography and geology

1938

Topography and geology

1938

Topography and geology

1938

Topography and geology

1938

Topography and geology

1938

Topography and geology