2021-01-192021-01-19http://hdl.handle.net/1885/2197769 MB|1 Map202 MB|1 Map600 dpiimage/jpgimage/tifen|thCopyright ExpiredThailand -- MapsGeology Soils EngineeringThailand, North East Thailand, Changwat Nakhon Phanom - Soils Engineering, Sheet 16, 1:500 000,2021-01-19