| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 1 |  | "General view of Mississippi River Power Plant. Government lock and dry dock, Keokuk, Iowa." | 1924; 1925; 1926; 1927; 1928 | Image/StillImage | uum_map |
| 2 |  | Monitoring and Assessing our Nation's Water Quality | 2002 | wwdl_er | |
| 3 | | Monitoring and Assessing our Nation's Water Quality | 2002 | Text | wwdl_er |
| 4 |  | Monitoring and Assessing our Nation's Water Quality | 2002 | Text | wwdl_er |
| 5 |  | Tower-Rock, View on the Mississippi | 1840-01-01 | Image | uum_rbc |
| 6 |  | Tower-Rock, View on the Mississippi | 1840-01-01 | Image | uum_rbc |