Data-Collection Points Along Transects and Around Perimeter at Upper Gar Lake, Dickinson County, Iowa

Point coverage of bathymetry data for Upper Gar Lake in Dickinson Co., Iowa. The U.S. Geological Survey conducted a bathymetric survey of Upper Gar Lake in 2004.艾奥瓦州迪金森县上加尔湖水深（bathymetry）数据的测点覆盖范围。美国地质调查局（U.S. Geological Survey）于2004年对上加尔湖开展了水深测量作业。