1. Bathymetric contour maps for lakes surveyed in Iowa in 2003 Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, VA}] : [U.S. Dept. of the Interior, U.S. Geological Survey], [2006] Resource Type: Map Access & Availability: Loading
2. Bathymetric contour maps of lakes surveyed in Iowa in 2004 Author/Creator: Linhart, S. Mike Publication/Creation: [Reston, Va.] : U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2006 Resource Type: Map Access & Availability: Loading
3. Bathymetric contour maps of lakes surveyed in Iowa in 2005 Author/Creator: Linhart, S. Mike Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2008 Resource Type: Map Access & Availability: Loading
4. Bathymetric contour maps of lakes surveyed in Iowa in 2006 Author/Creator: Linhart, S. Mike Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2008 Resource Type: Map Access & Availability: Loading