It is the relationship between the physical environment and the environed organism, between physiography and ontography (to coin a term), that constitutes the essential principles of geography today. — 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
