found: Work cat.: Hetherington, R. Intertidal molluscs from high-stand deposits on northwest Graham Island, British Columbia, 2000.
found: MacKenzie, J.D. Geology of Graham Island, British Columbia, 1916.
found: Wikipedia, July 1, 2010(Graham Island is the largest island in the Haida Gwaii archipelago (also known as the Queen Charlotte Islands), lying off the coast of British Columbia, Canada; 53°25ʹ32ʺN 132°14ʹ32ʺW)
found: BC Geographical Names Information System, July 1, 2010(Graham Island, island, 53°20ʹ00ʺ 132°25ʹ00ʺ; northern and largest island of Queen Charlotte Islands, Queen Charlotte Land District)
found: Geographical names of Canada, via WWW, July 1, 2010(Graham Island, British Columbia, Island, Location: Queen Charlotte Land District, 53°20ʹ00ʺN - 132°25ʹ00ʺW)