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Soils of Collin, Frio, Galveston, Midland, Potter, and Van Zandt Counties and the Trans-Pecos Area.
(Texas Agricultural Experiment Station, 1936)
Soils of Henderson, Hidalgo, Milam, Nacogdoches, Navarro, Wichita, Willacy and Victoria Counties.
(Texas Agricultural Experiment Station, 1933)