POINT(126.666044811 34.754429346) 도갑지구자연관찰로 시점 공간데이터 도갑지구자연관찰로 시점 Dogap Startpoint <gml:Point> <gml:coordinates> 126.666044811,34.75442934600005,0.0 </gml:coordinates> </gml:Point> Dogap Startpoint Spatial Data RDF description of Dogap Startpoint Spatial Data