North AmericaD. Appleton, 1904 - 435 páginas |
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aborigines adjacent Alaska animals Appalachians Archean Arctic Ocean areas Atlantic Atlantic forest austral belt border boundary broad California Canada cañons Cascade Mountains Central America changes characteristic climatic coast colour conspicuous continent Continental basin continental shelf débris deep deposits distribution earth's crust east eastern elevation erosion extends favourable feet flow forest frequently furnished geographical geological glaciers Gulf of Mexico Hudson humid igneous rocks Indians instances islands known lakes land large number latitude less metamorphic metamorphic rocks miles mineral Mississippi moun nearly North America northern portion northward occur Pacific mountains peneplain plants plateau precipitation present province range reach referred region River Rocky Mountains rugged season sedimentary shore Sierra Nevada similar slopes soil southern southward species square miles streams summer summits surface tains temperature termed terranes tion topography trees tribes Tropic of Cancer tropical United valleys vegetation volcanic West Indies western westward widely winds winter zone
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Página 416 - Colorado, at a point where it intersects the thirty-fifth degree of north latitude ; thence down the middle of the channel of said river to the boundary line between the United States and Mexico, as established by the treaty of May...
Página 245 - These giants bulge considerably at the base, but not more than is required for beauty and safety; and the only reason that this bulging seems in some cases excessive is that only a comparatively small section of the shaft is seen at once in near views. One that I measured in the...
Página 260 - Survey have shown that the northward distribution of terrestrial animals and plants is governed by the sum of the positive temperatures for the entire season of growth and reproduction, and that the southward distribution is governed by the mean temperature of a brief period during the hottest part of the year.
Página 245 - ... down, and drooping in handsome curves at the base. By the time the sapling is five or six hundred years old this spiry, feathery, juvenile habit merges into the firm, rounded, dome form of middle age, which in turn takes on the eccentric picturesqueness of old age. No other tree in the Sierra forest has foliage so densely massed or presents outlines so firmly drawn and so steadily subordinate to a special type. A knotty, ungovernable-looking branch...
Página 244 - So exquisitely harmonious and finely balanced are even the very mightiest of these monarchs of the woods in all their proportions and circumstances there never is anything overgrown or monstrous-looking about them. On coming in sight of them for the first time, you are likely to say, 'Oh, see what beautiful, noble-looking trees are towering there among the firs and pines!
Página 136 - Canon of the Colorado do not hesitate for a moment to pronounce it by far the most sublime of all earthly spectacles. If its sublimity consisted only in its dimensions, it could be sufficiently set forth, in a single sentence. It is more than 200 miles long, from 5 to 12 miles wide, and from 5,000 to 6,000 feet deep.
Página 392 - Section of ordinary arch with flat capstone. c. Section of ordinary arch with dressed surfaces. d Section of ordinary arch with dressed surfaces and curved soffit sl e.
Página 107 - It is much elevated above the surrounding country, very smooth and level, and spreads out in every direction as far as the eye can penetrate, without a tree, shrub, or any other herbage to intercept the vision. The traveller in passing over it sees nothing but one vast, dreary, and monotonous waste of barren solitude. It is an ocean of desert prairie, where the voice of man is seldom heard, and where no living being permanently resides. The almost total absence of water causes all animals to shun...
Página 107 - The traveller in passing over it sees nothing but one vast, dreary, and monotonous waste of barren solitude. It is an ocean of desert prairie, where the voice of man is seldom heard, and where no living being permanently resides. The almost total absence of water causes all animals to shun it : even the Indians do not venture to cross it except at two or three points, where they find a few small ponds of water. I was told in New Mexico that, many years since, the Mexicans marked out a route with...