Example image of eyePlorer eyePlorer map for 'Lake Red Rock (Des Moines River)': Des Moines River Des Moines, Iowa Red Rock Dam (Iowa) Reservoir Iowa Lake United States Army Corps of Engineers Marion County, Iowa Knoxville, Iowa Pella, Iowa Elk Rock State Park Polk County, Iowa United States Coast Guard Auxiliary Iowa Highway 14 Competine Creek (Des Moines River) List of lakes in the United States Earthpark South River (Iowa) White Breast Creek Dragoon Trail Red Rock Lake Iowa flood of 2008