While you are waiting on a member response - I noticed this was your very first post. SO, Welcome Aboard WvaDiggerchick79! Take a look at Sub-Forums: West Virginia for information (i.e., clubs, etc.) directly related to your state.
Thanks for the pic I still would say natural mainly due to the rock type looks like a grainy sandstone I find those in odd shapes here in Maryland as well but they are a soft material wouldn’t hold up well