hills, plains, mountains and valleys
The landscape of this region ranged from rich soil of coast NJ and Delaware to the wooden mountains and Valleys of NY and Pennsylvania
In the mountains themselves, the mountains have high peaks, deep valleys with stunning views to other mountain peaks, with fog that can cover the tops until the sun burns it away. However, these are "old" mountains, worn so they are lower. Pennsylvania also has rolling hills and valleys, with many rocky cliffs, where streams and rivers run in valleys.
The Appalachian Mountains--with the Allegheny Mountains and Pocono Mountains--make high elevations and deep valleys. But the whole state has rolling hills and steep cliffs.
From the Delaware Indian word, meaning "mountains and valleys alternating"; the same as the Wyoming Valley in Pennsylvania
The middle colonies' cultivation of broad, fertile river valleys
The plural form is valleys.
There are plenty of valleys in Wales.V-shaped valleys are formed by water flow.U-shaped valleys are formed by glaciation.
How have valleys change over time?How have valleys change over time?How have valleys change over time?
The possessive form for the plural noun valleys is valleys'.
The likely word is the plural noun "valleys."
Valleys.