- $146.27 CAD Des Moines River Iowa Raccoon Mississippi Forks 1852 Ackerman geology river map
- $72.55 CAD Iowa & Missouri St. Louis Des Moines Mississippi River 1887 Bradley-Mitchell map
- $76.06 CAD Iowa and Missouri St. Louis Des Moines Mississippi River 1887 Mitchell map
- $53.69 CAD Army Corps of Engineers River Maps Binder Mississippi Minn. St. Paul Dist. 1960s
- $34.42 CAD Improving Missouri River in Front of Sioux City, Iowa, with Pile Dikes - 1895