File:Arizona, the wonderland; the history of its ancient cliff and cave dwellings, ruined pueblos, conquest by the Spaniards, Jesuit and Franciscan missions, trail makers and Indians; a survey of its (14798974423).jpg

Identifier: arizonawonderla00jame (find matches)
Title: Arizona, the wonderland; the history of its ancient cliff and cave dwellings, ruined pueblos, conquest by the Spaniards, Jesuit and Franciscan missions, trail makers and Indians; a survey of its climate, scenic marvels, topography, deserts, mountains, rivers and valleys; a review of its industries; an account of its influence on art, literature and science; and some reference to what it offers of delight to the automobilist, sportsman, pleasure and health seeker. By George Wharton James. With a map and sixty plates, of which twelve are in colour
Year: 1917 (1910s)
Authors: James, George Wharton, 1858-1923
Subjects:
Publisher: Boston Page company
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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eoric iron, weighing from a fraction of an ounceto a thousand pounds or more. The theory of thescientists is that a meteorite fell and exploded, thusthrowing up the mound, and at the same time scatter-ing the pieces of the exploded meteorite in every di-rection.1 Other scientists suggest that the hole may be dueto an explosion of steam from volcanic sources below,accumulating in the pores of the sandstone and finallyreaching the limit of tension. This would account forthe broken sandstone and limestone constituting the en-circling ruin and for the upturned edges of the strata,which doubtless would bend upward somewhat beforethey broke. The large amount of fine sand producedwould result from the violence of the explosion of steamcontained in the interstices of the sandstone.2 1 For fuller accounts of the Lava Fields and Meteorite Mountainsee my Our American Wonderlands, A. C. McClurg & Co. 2 Guidebook of the Western United States, Part C, The SantaFe Route. U. S. Geological Survey.
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PINE FOREST AND MOUNTAIN ROAD, NEAR PRESCOTT, ARIZONA. CHAPTER X THE NATIONAL FORESTS OF ARIZONA There are ten National Forests in Arizona, com-prising a gross area of approximately thirteen millionacres and bearing a timber stand of seventeen billionboard feet of lumber and other forest products. Theseareas have been set aside and are administered by theGovernment for the purpose of insuring a permanenttimber supply and to prevent the destruction of forestcover which regulates the flow of streams. With fiftymillion acres of treeless desert tributary to these forests,every square mile of which requires timber productsfor its full development, and with her whole system ofagriculture absolutely dependent on forest streams forirrigation, Arizona may well regard the proper han-dling of her forest resources as an important factor inher present and future development. The present stand of timber is estimated, under scien-tific forest management, to have an annual productivecapacity of about

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