20260318-0 Esri ASCII ruutkava Esri ASCII grid 2015-04-20 2013-08-21 GRID_ASCII 2015-04-22 Environmental Systems Research Institute ASCII grid Esri ASCII grid is the media type which shall be used for ASCII GRID files. ASCII GRID is one of the two formats of Esri grid, a raster GIS file format, a non-proprietary ASCII format, also known as an ArcInfo ASCII GRID. application/x-ascii-grid .asc GRID_ASCII false GRID_ASCII 2013-08-21 GRID_ASCII true