Surficial Geology of the Clear Lake East 7.5' Quadrangle, Cerro Gordo County, Iowa, Deborah Quade, Stephanie Tassier-Surine, Huaibao Liu, Robert McKay, Robert Rowden, and James Giglierano, Supported in part by the U.S. Geological Survey Cooperative Agreement G12AC20280, September 2013 The Iowa Geological Survey carries out contract geologic mapping at various scales under the sponsorship of federal geologic mapping programs. These include the STATEMAP Program administered by the U.S. Geological Survey, and the Legacy Program administered by the U.S. Army Corps of Engineers.