More cards in this set

Card 6

Front

The total length of all the streams in the basin divided by the total area of the basin

Back

Preview of the front of card 6

Card 7

Front

The boundary between 2 drainage basins marked with a ridge of high land

Back

Preview of the front of card 7

Card 8

Front

The area in which a river begins

Back

Preview of the front of card 8

Card 9

Front

The point at which 2 rivers join

Back

Preview of the front of card 9