You searched for: Place From corner of 521 & SC 50 go 1.5 miles south towards the town of Trio, upper drainage of Spring Valley Swamp. Remove constraint Place: From corner of 521 & SC 50 go 1.5 miles south towards the town of Trio, upper drainage of Spring Valley Swamp. Place South Carolina Remove constraint Place: South Carolina Topic Rhynchospora Remove constraint Topic: Rhynchospora