Looking for a quiet place for a picnic? Take a seat and enjoy the wonderful view of the show pools that the wigwams have to offer. Its original covering was meant to resemble birch bark that would have covered traditional wigwams. The covering did not last and the wigwams have had a variety of coverings since including asphalt shingles and finally cedar shingles. You may notice quite a bit of woodpecker damage to the building itself. Refuge staff is aware of this issue and is working on a solution. Constructed in 1937 by the Civilian Conservation Corps. The CCC operated from 1936 to 1942 as a work relief program for unemployed, unmarried men between the ages of 17-28. It provided food, clothing, shelter, and a wage of about $30 per month.