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Geology and ground-water resources of Duval County, Texas
Albert Nelson Sayre
1937, Water Supply Paper 776
Duval County is situated in southern Texas, 100 to 150 miles south of San Antonio and about midway between Corpus Christi, on the Gulf of Mexico, and Laredo, on the Rio Grande. The county lies on the Coastal Plain, which for the most part is low and relatively featureless. Between...
Thermal springs in the United States
Norah D. Stearns, Harold T. Stearns, Gerald A. Waring
1937, Water Supply Paper 679-B
The earliest extensive studies of thermal springs in the United States were made by physicians. In 1831 Dr. John Bell issued a book entitled "Baths and Mineral Waters" in which he listed 21 spring localities. In the edition of his work published in 1855 the number was increased to 181....