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The Dissertation Committee for Judith L - The University of Texas at ...

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fall are also common in the area. Snowfall rarely occurs. Ninety percent <strong>of</strong> winters see<br />

no snowfall leaving the remaining ten percent measuring two inches or less per the winter<br />

season. 23<br />

<strong>The</strong> soils found in and around New Braunfels and San Marcos are highly varied.<br />

Those <strong>of</strong> the prairies below the Escarpment are classified as vertisols, locally called<br />

Lewisville-Gruene-Krum soils. <strong>The</strong>se soils are typically found in the Blackland Prairie<br />

area th<strong>at</strong> is adjacent to the Edwards Pl<strong>at</strong>eau. <strong>The</strong>se soils are dark grayish brown in color,<br />

moder<strong>at</strong>ely permeable, and found in level to gently sloping areas. Soil depths range from<br />

shallow to deep levels up to fifty-eight inches. <strong>The</strong>se soils are suitable <strong>for</strong> crops and<br />

pasture. <strong>The</strong> other vertisol <strong>of</strong> significance to New Braunfels and San Marcos is the<br />

Heiden-Houston-Black soil group. (See Figures 1.4 and 1.5) 24 <strong>The</strong>se soils are also found<br />

in the Blackland Prairie in areas ranging from deep to gently sloping terrains found along<br />

22 Soil Survey, 97.<br />

23 Ibid., 4.<br />

24 Ibid., np.<br />

13

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