Delavan

1960

1:63k

Delavan

1960

1:63k

Delavan

1893

1:63k

Delavan

1893

1:63k

Delavan

1893

1:63k

Delavan

1893

1:63k

Delavan

1893

1:63k

Delavan

1893

1:63k

Map of Walworth County, State of Wisconsin.

1878

Snyder, Van Vechten & Co.

1:127k

Soil map of Walworth County, Wisconsin

1940

Geological and Natural History Survey

1:63k