No part of the world can be truly understood without a knowledge of its garment of vegetation, for this determines not only the nature of the animal inhabitants but also the occupations of the majority of human beings.

Nevertheless most of the evergreen forests of the north must always remain the home of wild animals and trappers, a backward region in which it is easy for a great fur company to maintain a practical monopoly.

As a matter of fact, an ordinary desert supports a much greater variety of plants than does either a forest or a prairie.

America forms the longest and straightest bone in the earth's skeleton.

In fact, the history of North America has been perhaps more profoundly influenced by man's inheritance from his past homes than by the physical features of his present home.

The buffalo is a surprisingly stupid animal.

From first to last the civilization of America has been bound up with its physical environment.