Homeland Infrastructure Foundation Level Data HIFLDUSACE IENC Lateral Buoy Dataset (Feature Service Ed. 821.0) 6-Feb-25. This is the US Army Corps of Engineers produced buoy position dataset of supplied US Coast Guard buoy locations along the inland river system of the United States. This dataset is updated weekly by the US Army Geospatial Center.FileengPennsylvania Spatial Data Access (PASDA)PublicDynamic Buoys USACE IENC [Pennsylvania]DatasetsPennsylvania