GPS data collected for preconstruction hydrographic surveys of Missouri River downstream from Gavins Point Dam near river mile 761.4

This data set contains land surface elevations on dry and wadeable portions of transects for pre-construction hydrographic surveys on the Missouri River below Gavins Point Dam for the Emergent Sandbar Habitat construction project near River Mile 761.4. Data tie- ins to local benchmarks also are included本数据集涵盖密苏里河加文斯波因特大坝（Gavins Point Dam）下游、河道里程761.4附近新生沙洲栖息地建设项目施工前水文测量所用测断面中，干燥且可涉水区段的地表高程数据；同时收录了与本地基准标石的联测数据。