If by some fiat I had to restrict all this writing to one sentence, this is the one I would choose: The summit of Mt. Everest is marine limestone.
John McPheeRocks are records of events that took place at the time they formed. They are books. They have a different vocabulary, a different alphabet, but you learn how to read them.
John McPheeTravel by canoe is not a necessity, and will nevermore be the most efficient way to get from one region to another, or even from one lake to another anywhere. A canoe trip has become simply a rite of oneness with certain terrain, a diversion off the field, an art performed not because it is a necessity but because there is value in the art itself.
John McPhee