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Clockwise: (1) Olmos Basin Road Segment, Bexar County, Texas, (2) San José de los Corralitos, Zapata County, Texas, (3) Mission Nuestra Señora del Rosario de los Cujanes, Goliad County, Texas, (4) Mission Espada Aqueduct, Bexar County, Texas, (5) Rancho los Ojuelos, Webb County, Texas.