Partial Report of Survey on Run-off and Waterflow Retardation and Soil Erosion Prevention for Arroyo Seco Watershed, Los Angeles River Drainage, Undated

The Flood Control Collection contains reports, publications, correspondence, notes, photographs, audio recordings, maps, and data regarding floods and flood control in the United States. The USDA Soil Conservation Service produced most of these items. There are a few pieces authored by other individuals and agencies. The collection also includes articles and addresses written for professional organizations, such as the American Society of Agricultural Engineers and the Society of American Foresters.