Luther A. Brewer and Barthinius L. Wick, eds., Section Early Steamboating on the Cedar, Chapter XL, The Bridges across the Cedar at Cedar Rapids and Early Steamboating on the Cedar River, History of Linn County Iowa, Pioneer, Chicago, 1911; pages 423-434.
U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapArchived 2012-03-29 at the Wayback Machine, accessed May 13, 2011
U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapArchived 2012-03-29 at the Wayback Machine, accessed May 13, 2011