A study of mineral transformations and weathering processes occurring during the genesis of two soils developed from gneiss and schist in Llano County, Texas
Stahnke, Clyde Raymond
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Llano County is located in Central Texas and has an area of 942 square miles. In 1960 it had a population of 5,240. The altitude of Llano County ranges from 800 to 2000 feet. The average annual rainfall of the county is 27.59 inches. The mean average temperature is â‚¬6^ F.; the average temperature for January and S-olQf are respectively 47Â° F. and 85Â° F. Over 90% of the agricultural income is from cattle, sheep and goats, and hogs. Llano County belongs to the land resource area designated as the Central Basin (4l).