You searched for: Place Tamarack Swamp. Near eastern edge of swamp just south of gas pipeline right of way, 115 degrees & .7 mile from center of Tamarack, Tamarack Quad. Leidy Twp. Remove constraint Place: Tamarack Swamp. Near eastern edge of swamp just south of gas pipeline right of way, 115 degrees & .7 mile from center of Tamarack, Tamarack Quad. Leidy Twp. Topic Cyperaceae Remove constraint Topic: Cyperaceae