No single race of men flourish equally well everywhere, but each one is affected by its own surroundings; and, what is true of a race, is also true of an individual. The pioneer in any country is always an interesting character, but he differs in peculiarities according to his environment of mountain, plain or forest. Occupation also exerts an influence and in time develops distinct types like the trapper, miner, soldier and cowboy, that only the graphic pencil of a Remington can accurately portray. The eccentricities of character which are sometimes met in men who dwell on the frontier are not always due alone to disposition, but are largely the product of the wild life which they live, that inclines them to be restless, reckless and even desperate. There is no better field for observing and studying the effects of environment upon human life than is furnished by the arid region of the southwest.