Coal Valley

1991

1:24k

Coal Valley

1953

1:24k

Coal Valley

1953

1:24k

Coal Valley

1953

1:24k

Coal Valley

1949

1:24k

Rock Island Rapids of the Mississippi River. Profile Showing High or Low Water Slopes. Profile Showing Bed of River in Line of Channel before and after Improvement.

1894

Huebinger, M. & Co.

1:66k

Silvis

1991

1:24k

Silvis

1953

1:24k

Orion

1937

1:63k

Orion

1937

1:63k