A Chemical Analysis of the Important Soils of Dimmit County, Texas Page: 1
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CHAPTER I
tso OLS OF DtIT COUNT
Introduction
g ,11 g.- o8s are the eduats of the eniroamntal conditions un-
der ach they aye developed or are dweaopin Thee condit;o n in
tuw are the products of gpologsi, top erqh, phyioateaphi, cliatic,
and bologic factors. e study of soil, s such, refers to the study
of the pnesia, the orhelegy, and the characteritics in general of
soils in the situations shre they are developing or have dowloped, along
with a study of their relation to the environnt in which the development
is taking place.
All soils go through a series of changes. At first, when they begin
their *lfe," they conist of freshly sacumulated rook material in smsll
particles whteh are sied according to thei + r various sises gravel, # ad
silt, and lay. T* parties n in se fro I to sillimeters
in diamter are called tis gravel hos ranging from 1 llimeter to
0.0 mIrnilte are called sand; those ranging between 0.0 ad 0.005
iniAAter are called slt atnd all particles mller in disaster than
0.005 milliter are called clay. n torn 'soil" includes all particles
at 1 illimBter or lees in disaster
Qases begin at once, and in the eese of tine, if the surface
material is not moved away and nw underlying material exposed on which
soil.-making c-ha s must be begun amn , the upper part of this layer of.
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Meek, William. A Chemical Analysis of the Important Soils of Dimmit County, Texas, thesis, August 1938; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc29922/m1/7/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .