The Birs (French: Birse) is a 73-km long river in Switzerland, that flows through the Jura region and ends as a tributary to the Rhine between Basel and Birsfelden. Laufen (French Laufon) is a municipality and the capital of the district of Laufen in the canton of Basel-Country in Switzerland The Jura Mountains are a small Mountain range located north of the Alps, separating the Rhine and Rhone rivers and forming part of The Rhine (Rhein Rijn Rhin Reno Rain Rhenus is one of the longest and most important Rivers in Europe at 1320 kilometres (820 mi with an average discharge "Basilia" redirects here For the Fly Genus, see Basilia (fly. Birsfelden is a municipality in the district of Arlesheim in the canton of Basel-Country in Switzerland.
A geographic coordinate system enables every location on the Earth to be specified in three coordinates using mainly a spherical coordinate system.