Visitor Center Area / KNOXVILLE BEACON / University of Iowa Press / station Parks / Quarry/Mine Former Coal Mine / Red Rock Dam / Knoxville Red Rock Lake Dam / Trowbridge Hall / /
IndustryTerm
http /
NaturalFeature
Des Moines River / Red Rock Lake / /
Organization
Congress / IA Water Science Center / United States Army / Iowa Limestone Producers Association / University of Iowa Press / /