Datasets Activity Stream Suggest Data About Submit Include Sub-Organizations Order by Relevance Name Ascending Name Descending Last Modified Popular Go 81 datasets found (275 resources) Filter Results OSNI Open Data: River Basin LIDAR 2004 - DTMs and DSMs Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a... 6 ZIP 3 PDF « 1 ... 3 4 5