USGS defined bends, Lower Missouri River

Shapefile created by USGS by generating a centerline between the banks of the Lower Missouri River and identifying inflections in the centerline. Inflections were...该矢量形状文件（Shapefile）由美国地质调查局（United States Geological Survey, USGS）创建，其制作流程为在下密苏里河（Lower Missouri River）的两岸之间生成中心线，并识别该中心线上的拐点。拐点……