A Fiiane was Ilaand series on paper, Newburgh, NY, 2021
Hiking map symbols are a secret language, one that is very useful for hikers.
I like to hike and notice that the map symbols are an elegant shorthand to give you a mental picture of the terrain.
The map's legend explains which colors are used to convey all of this important information like green for vegetation or blue for water.
Here is an abstract version of these topographic maps about vegetation.