Scope and Contents Item is a weather map of precipitation from a July 9-13, 1951 storm in the southern portion of the Missouri River Basin. This map indicates and plots the connecting areas of equal rainfall with lines.

Scope and Contents Item is a weather map of precipitation from a May 13-19, 1951 storm, which occurred predominantly in the Texas panhandle and western half of Oklahoma. This map indicates and plots the connecting areas of equal rainfall with lines. Numbers 1 through 5 are inscribed and circled on the map in red pencil as is the key. Key identifies each number as a creek: (1) Mill Creek, (2) East Creek, (3) Cloud Creek, (4) Barnite Creek, (5) Sandstone Creek.

Scope and Contents Item is a weather map of precipitation from a May 13-19, 1951 storm, which occurred predominantly in the Texas panhandle and western half of Oklahoma. This map indicates and plots the connecting areas of equal rainfall with lines. Numbers 1 through 5 are inscribed and circled on the map in red pencil as is the key. Key identifies each number as a creek: (1) Mill Creek, (2) East Creek, (3) Cloud Creek, (4) Barnite Creek, (5) Sandstone Creek.

Scope and Contents Item is regional map depicting the Missouri River Basin and the Arkansas-Red River Basin. This map features all of the major waterways, lakes, and reservoirs in these basins. All of the lakes and reservoirs are hand-colored in red, blue, or green pencil, which likely pertains to the construction program and represents the level of completion of each project.