1. Mississippi River Basin Flood Control Plans Identifier: CAC_CC_053_4_0000_1_15 Contributing Institution: Carl Albert Congressional Research and Studies Center, University of Oklahoma, Norman, OK Collection: John William "Elmer" Thomas Collection Title: Mississippi River Basin Flood Control Plans Date: 1944-08-01 Creator: unknown Topic: Flood Control--Oklahoma, WaterwaysUnited States Congress: 78th (1943-1945)
![["This hydrological map, produced by the Mississippi Valley Association, features a legend for completed or under construction, authorized, and recommended levees and reservoirs, with the state of Oklahoma outlined in blue pencil. Dimensions: 28 x 40."]](https://jones-2.s3.us-east-1.amazonaws.com/John%20William%20Elmer%20Thomas%20Collection%2FMaps,%20CAC_CC_053_4_0000_0000_0000%2Fthumbnails%2FCAC_CC_053_4_0000_1_15_thumbnail.jpg "Mississippi River Basin Flood Control Plans")