After a day and a half or so the traveler will realize that crossing the continent by Interstate he gets to know the country about as well as a cable messenger knows the sea bottom.
Thanks to the growing strength of environmental organizations, there will always be some back country to provide us with a touch of wonder and a breath of fresh air.
We simply need that wild country available to us... For it can be a means of reassuring ourselves of our sanity as creatures, a part of the geography of hope.
Something will have gone out of us as a people if we ever let the remaining wilderness be destroyed ... We simply need that wild country available to us, even if we never do more than drive to its edge and look in.