We have an unknown distance yet to run, an unknown river to explore. What falls there are, we know not; what rocks beset the channel, we know not; what walls ride over the river, we know not. Ah, well! we may conjecture many things.
John Wesley PowellThe landscape everywhere, away from the river, is of rock - cliffs of rock; plateaus of rock; terraces of rock; crags of rock - ten thousand strangely carved forms.
John Wesley PowellYou cannot see the Grand Canyon in one view, as if it were a changeless spectacle from which a curtain might be lifted, but to see it you have to toil from month to month through its labyrinths.
John Wesley Powell