|Now can you name it? Check out the "warty" bark.|
|Those "warts" are layers and layers of tree bark. This is the accumulation of |
many single year's layers of growth, all stacked up like a deck of cards.
The warty bark is a significant feature for the Common Hackberry tree, Celtis occidentalis. It is a disease resistant native that provides habitat for both birds and butterflies. Everyone needs a Common Hackberry in their lawn.
Now the trail has lead to some interesting land formations. Note the rise to the right? That was formed by a stream buried within a glacier.
|Formation of an esker.|
This formation is called an esker. It was created when particles of sand and rock sunk to the bottom of melt water. In time it built up and was formed by the ice walls which remained. The Department of Mineral Resources in North Dakota does a decent job of further explaining these formations. Just go right here.
Those large oaks are well over a hundred years old. They are a magnificent sight, riding atop of the esker. Note how the top surface of the formation is relatively flat.
Being no whiz at geology, I am just beginning to appreciate these formations created by ice shifting all across Ohio. Glaciers, grinding across our land, moved rock and sand in such massive scale they determine our land uses today. Flat glaciated land gets farmed. Rocky gorges (like Mohican) are not suitable for the plow. Eskers, were made for pure wonder. They are a modern day connection to the ice age.