This data was collected during the Shuttle Radar Topography Mission (SRTM) and contains global coverage from 56 degrees south latitude to 60 degrees north latitude in 1īy 1 degree blocks with an approximate resolution of 90 by 90 meters. This data was collected during the Shuttle Radar Topography Mission (SRTM) and contains full coverage of the United States in 1 by 1 degree blocks with an approximate Meter resolution for all of the contiguous United States, Hawaii, and limited portions of Alaska. Geological Survey (USGS) and provide coverage in 1 by 1 degree blocks with approximately 90 by 90 These Digital Elevation Model (DEM) data files are produced by the U.S. On 30 by 30 meter data spacing with the Universal Transverse Mercator UTM projection. Geological Survey (USGS) as part of the National Mapping Program. WebGIS - Free Terrain Data - Geographic Information Systems Resource - GIS
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |