 On liquidation of the estate, the National Audubon Society raised the funds to acquire the land, build a boardwalk, and purchase land from surrounding farmers to ensure access.In 2003 the Audubon Society which maintains the preserve announced it had recently obtained funding with which to purchase an additional 909 acres of adjacent land to expand the preserve.It has an environmental education center and a boardwalk trail through the old-growth portion of the swamp, established in 1977.