almost any town along the river will have a map id tri tthe information center for the town i know alton ill has maps of the river.
Blue lines
Find London on the map and you will see that the river Thames runs through London.
Look at a map of Russia
it is in Italy
Look on a map. The longest is the Mississippi/Missouri river system.
You would look at the scale on the map.
The Zaire River is also known as the Congo River... Google the Congo or something... should find your results.
A map that shows where a river flows.
You would find it in the map key or legend
The Nile River flows north. Therefore, if you are looking at a map of Egypt it would flow up the map. When you look at a map North is always up and South is always down.
Scale or legend