This design was adapted by Richard Dalton III (Tlingit name is Teeykat.aa, T'akdeintaan and child of Chookaneidi) from a classic 19th century Chilkat blanket for Sealaska Heritage, a regional Native nonprofit founded in 1980 to promote cultural diversity and cross-cultural understanding through public services and events. SHI also conducts social scientific and public policy research and advocacy that promotes Alaska Native arts, cultures, history and education statewide. Its mission is to perpetuate and enhance Tlingit, Haida, and Tsimshian cultures of Southeast Alaska.