| 1. |  | Throw back harbor line | United States. Federal Civil Works Administration; Davenport (Iowa). Levee Improvement Commission; Mississippi River; Levees; Retaining walls; Construction; Public service employment; Men; Davenport (Iowa); Progress photographs; Photographic prints | Photograph of men building up the embankment along the Mississippi River at Davenport, Iowa. This is in preparation for construction of a rip-rap wall extending down river from the levee. The men are using... |