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1937

Granite area

1937

Granite area

1937

Granite area

1937

Granite area

1937

Granite area

1937

Granite area

1937

Granite area

1937

Granite area

1937

Granite area

1937

Granite area

1937

Granite area

1937

Granite area

1937

Granite area

1937

Topography and geology

1937

Topography and geology

1937

Topography and geology

1937

Topography and geology

1937

Topography and geology

1937

Topography and geology

1937

Topography and geology

1937

Topography and geology