VERTCRS["Guam 1963 height",VDATUM["Guam Vertical Datum of 1963"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey, topographic mapping."],AREA["Guam - onshore."],BBOX[13.18,144.58,13.7,145.01]],ID["EPSG",6639]]