道路と避難所のベクターデータ [[road.dbf>http://www42.atwiki.jp/grass-gis/pub/data/2008-01-10/road.dbf]] [[road.shx>http://www42.atwiki.jp/grass-gis/pub/data/2008-01-10/road.shx]] [[road.shp>http://www42.atwiki.jp/grass-gis/pub/data/2008-01-10/road.shp]]
