Southern Guam geospatial information serverSinkholes (approximate locations of major features)About this map:This map shows the locations of the most significant sinkholes in southern Guam. The geospatial data were obtained from the Water and Environmental Research Institute of the Western Pacific (WERI). The sinkhole locations were reproduced based on visual inspection of LiDAR-derived DEM and hillshade layers and satellite imagery (mainly WorldView2 by Digital Globe). |