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Geology and ground-water resources of Webb County, Texas
John T. Lonsdale, James R. Day
1937, Water Supply Paper 778
Webb County is in southwestern Texas and is a part of the Winter Garden district. The purpose of the investigation here recorded was to determine the source, quantity, and quality of the ground water used for irrigation and other purposes in the area....
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...
The flora of the New Albany shale; Part 2, The Calamopityeae and their relationships
Charles B. Read
1937, Professional Paper 186-E
Material referable to Calamopitys americana, Calamopitys foerstei, Stenomyelon muratum, Kalymma lirata, Kalymma resinosa, and Kalymma auriculata, from the upper portion of the New Albany shale in central Kentucky, is described. All these species are based on the internal structure of stems and petioles. The suggestion is made that the genus...