You searched for: Place Rocky (limestone) hills dam at foot of Devils Lake, about 20 mi. NNW of Del Rio. Remove constraint Place: Rocky (limestone) hills dam at foot of Devils Lake, about 20 mi. NNW of Del Rio. Place Texas Remove constraint Place: Texas Topic Aspicarpa Remove constraint Topic: Aspicarpa Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Malpighiales Remove constraint Topic: Malpighiales Topic Plantae Remove constraint Topic: Plantae