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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

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1938

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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

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

1938

Topography and geology