The map shows the amount of freshwater in an area. I think that because it shows Michigan has some of the highest number of freshwater. That's what I think it shows.
i think it show climate or people
how far away that place is from an ocean
The counties away from the Ocean
i think this is trying to show how far the ocean is away from each state
area away from coast lines
Square miles away from the oceans
This map shows how far away the are from th oceans
I think this map is trying to show population?
how far away it is from the ocean