Individual Target Data-Collection Points for Lake Darling, Washington County, Iowa

Point coverage of bathymetry target points for Lake Darling in Washington Co., Iowa. The U.S. Geological Survey conducted a bathymetric survey of Lake Darling in 2004.爱荷华州华盛顿县达林湖水深测量目标点的点位覆盖范围。美国地质调查局（U.S. Geological Survey）于2004年对达林湖开展了水深测量作业。