Lahn River — River, western Germany. A tributary of the Rhine River, it rises in western Germany and after a southerly course reaches the Rhine at Lahnstein. It is 152 mi (245 km) long. Small barges are able to navigate to Giessen on the partly canalized… … Universalium
River engineering — The Los Angeles River is extensively channelized with concrete embankments. River engineering is the process of planned human intervention in the course, characteristics or flow of a river with the intention of producing some defined benefit.… … Wikipedia
Mersey, River — River, northwestern England. It flows west through the southern suburbs of Manchester and is joined by the Irwell in its canalized form as the Manchester Ship Canal. The Mersey is itself modified by the canal as far as Warrington, where it… … Universalium
Ems River — River, northwestern Germany. It rises on the southern slope of the Teutoburg Forest and flows generally northwest and north through the states of North Rhine–Westphalia and Lower Saxony for 230 mi (371 km) to the North Sea. Its mouth is a wide… … Universalium
Main River — River, central Germany. Rising in northern Bavaria, and flowing west, it passes through Frankfurt before emptying into the Rhine River; it is 326 mi (524 km) long. It forms part of the Main Danube Canal, which links the Rhine and Danube rivers to … Universalium
Marne River — River, northeastern France. It flows northwest into the Seine River near Paris. It is navigable for 220 mi (350 km) of its total length of 326 mi (525 km) and has extensive canals. Its valley was the scene of crucial battles in World War I (see… … Universalium
Neckar River — River, southwestern Germany. It rises in the Black Forest near the headwaters of the Danube River and is 228 mi (367 km) long. It flows north and northeast, passing Stuttgart. Its picturesque valley becomes broader and deeper, passing hills… … Universalium
Lot River — River, southern France. It flows 300 mi (480 km) west to join the Garonne River near Aiguillon. The river s course passes Cahors, the old capital of Quercy. It is navigable for part of its course but has little boat traffic. * * * ▪ river, France … Universalium
Struma River — River, western Bulgaria and northeastern Greece. Rising in the Rhodope Mountains southwest of Sofia, Bulg., it courses 258 mi (415 km) southeast to the Aegean Sea. Its upper valley is a major source of brown coal for Bulgaria, and its lower… … Universalium
Arno River — River, central Italy. It is 150 mi (240 km) long, flowing west from the Apennines through Florence and into the Ligurian Sea below Pisa. Near Arezzo it is connected with the Tiber River by its canalized tributary, the Chiani. Subject to… … Universalium
