Once established, an original river advances through its long life, manifesting certain peculiarities of youth, maturity and old age, by which its successive stages of growth may be recognized without much difficulty. — William Morris Davis Copy Share Image
Once established, an original river advances through its long life, manifesting certain peculiarities of youth, maturity and old age, by which its successive stages… — William Morris Davis Copy Share Image
The more clearly the immensely speculative nature of geological science is recognized, the easier it becomes to remodel our concepts of any inferred terrestrial… — William Morris Davis Copy Share Image
The meaning of geography is as much a sealed book to the person of ordinary intelligence and education as the meaning of a great… — William Morris Davis Copy Share Image
The very foundation of our science is only an inference; far the whole of it rests an the unprovable assumption that, all through the… — William Morris Davis Copy Share Image
It is the relationship between the physical environment and the environed organism, between physiography and ontography (to coin a term), that constitutes the essential… — William Morris Davis Copy Share Image
