High School Geography: Physical, Economic and Regional ; The Geography of Indiana : Supplement to Dryer's High School Geography

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American Book Company, 1912 - Geography - 536 pages
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Page 11 - If, therefore, the axis of the earth were perpendicular to the plane of its orbit, the days and nights would...
Page 188 - Thus, heat always flows spontaneously from a hotter to a colder body; gases always seep through an opening spontaneously from a region of high pressure to a region of low pressure; gases and liquids left by themselves always tend to mix, not to unmix.
Page 88 - Every river appears to consist of a main trunk, fed from a variety of branches, each running in a valley proportioned to its size, and all of them together forming a system of valleys, communicating with one another, and having such a nice adjustment of their declivities, that none of them join the principal valley, either on too high or too low a level...
Page 88 - ... communicating with one another, and having such a nice adjustment of their declivities, that none of them join the principal valley, either on too high or too low a level; a circumstance which would be infinitely improbable, if each of these valleys were not the work of the stream that flows in it.
Page 154 - ... meridians, respectively. The extended axis of the earth intersects the celestial sphere at the celestial poles. Circles similar to the parallels of latitude on the earth are called parallels of declination, since the coordinate similar to latitude on the earth is called declination on the celestial sphere. As the earth rotates on its axis, from west to east, the celestial sphere appears to rotate in the opposite direction. Since the celestial meridians remain fixed over their corresponding meridians...
Page 63 - VALLEY. fornia lies, as is well known, between the two dominant mountain chains of the state, — the Sierra Nevada on the east and the Coast Ranges on the west. It...
Page 32 - ... exist if the earth's axis were perpendicular to the plane of its orbit, and the excessive variation which would result if the axis were nearly parallel to that plane.
Page 6 - ... highest possible civilization. A brief treatment of physical geography forms the necessary basis for further study. In this section preference is given to those features and processes which have directly helped or hindered man in his progress. In the second part of the book, on economic geography, the point of view is reversed, and the outlines of household management practiced by the great human family in its terrestrial home are presented against the background of the natural earth already...
Page 358 - The long, low coast line, with many drowned valleys, and the number of navigable waterways which penetrate the interior, render it easily accessible by water from the better half of the world. (2) Relief and Structure.
Page 301 - The peculiar value of copper lies in the fact that it is one of the best known conductors of heat and electricity, and can be drawn into strong wire.

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