claim: Salt River Valley is on a river.
evidence: The Libau -- Romny Railway was a railway line built by the Russian Empire in 1871 -- 74 to connect Romny in Ukraine with the port in Libau -LRB- Liepaja -RRB- in present-day Latvia .. Russian Empire. Russian Empire. Romny. Romny. Ukraine. Ukraine. Liepaja. Liepaja. Latvia. Latvia. The objective of the railway was to deliver Ukrainian exports , particularly grain , to the Baltic Sea where it could be further shipped .. Baltic Sea. Baltic Sea. Today the railroad is located in four countries -LRB- Latvia , Lithuania , Belarus , and Ukraine -RRB- .. Ukraine. Ukraine. Latvia. Latvia. Exploitation of the portion between Liepaja and Mazeikiai was discontinued in 1990 .. Liepaja. Liepaja. Mazeikiai. Mazeikiai