PRESTON COUNTY – On Oct. 4, 2024, the West Virginia and Maryland/DC chapters of The Nature Conservancy (TNC) celebrated a significant milestone: the 60th anniversary of the Cranesville Swamp Preserve’s designation as a National Natural Landmark (NNL). This event brought together conservationists, nature lovers and community members for a hike through one of the few remaining boreal bogs in the southern United States.