Colorado

1902

U.S. Geological Survey

1:63k

Silverton

1955

1:63k

Silverton

1955

1:63k

Silverton

1955

1:63k

Silverton

1902

1:63k

Silverton

1902

1:63k

Silverton

1902

1:63k

Silverton

1902

1:63k

Silverton

1901

1:63k

Silverton

1897

1:63k