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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ...the one great advantage of being easily recognizable, and hence of needing no demarkation. This advantage is particularly valuable under primitive conditions and in thinly peopled or unoccupied territories, where a recognizable limit is needed and a precise and costly demarkation is undesirable or unnecessary. Some of the North American river boundaries seem to be inheritances from this stage of development. But against this advantage there are very great disadvantages associated with the adoption of rivers as boundaries between civilized states. A valley is a natural unit; and as the land becomes fully occupied the river tends to become the axial line of an area of dense population, and so a place of frequent intercourse in trade and social life: so that the peoples of its banks become more or less 1 See E. Butler, 'The Frontiers of Central Europe and their Defencein the Geographical Teacher, Summer and Autumn 1912, vol. vi, pp. 251 and 335. assimilated to one another. Very few rivers form linguistic or cultural divides--the Danube between Romania and Bulgaria is almost the only prominent instance. The unity of the valley is aided by the fact that the easiest and, since they pass through the areas of dense population, the most profitable lines for roads and railways lie along it. Railways border both banks of the Rhine from Basel to the delta. With the advance of civilization it becomes essential to control the course of the river, to drain its bordering marshes, to deepen the channel here and remove obstacles there so as to facilitate the clear flow of the waters and navigation. And in some cases the supply of water-power, or of water for town supply or for use in irrigation, is important. But if two states share the control of more

Product details

  • Paperback | 28 pages
  • 189 x 246 x 2mm | 68g
  • United States
  • English
  • black & white illustrations
  • 1236967437
  • 9781236967435