Identifier: soilitsnaturere00king (find matches)
Title: The soil, its nature, relations, and fundamental principles of management
Year: 1895 (1890s)
Authors: King, F. H. (Franklin Hiram), 1848-1911
Subjects: Soils
Publisher: New York, London : Macmillan and co.
Contributing Library: University of British Columbia Library
Digitizing Sponsor: University of British Columbia Library

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a little and now retreating as variations in the rateof travel or the rate of melting occurred. Beneath thebottom of this slowly moving sheet of pressure-plasticice, which, with more or less difficulty, kept itself com-formable with the face of the land over which it wasriding, the sharper outstanding points were cut awayand the narrower and deeper river canons filled in.Desolate and rugged rocky wastes were ground down andoverspread with rich soil, and regions with sandstone forthe surface rock, which by decay in place could give onlylands of the lighter type, became mantled with thicklayers of mixed gravel, sand, and clay, forming by slowalteration rich and enduring soils. Great streams of water emerging from the melting icesorted and resorted the glacial grist, leaving in someplaces extensive beds of coarse, clean gravel with surfacessloping gently in the direction of discharge, over whichhas since developed one type of extremely fertile prairie n(!;t;;;:iriiri:; II liiilliSiilili
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a o7. o M 60 The Soil soil; leaving in other places beds of sharp plasteringsand, often interstratified in the most curious and abruptmanner with coarser or finer materials, while the finestsilt was farther removed to subside in innumerable lakes,formed by glacial dams, or to be borne away to the sea tocontribute materials for the extensive deposits of ourcoastal plains. Wlien the ice front tarried long at a given place, the

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