https://geoscan.nrcan.gc.ca/starweb/nrcanphoto/servlet.starweb?path=nrcanphoto/nrcanphotofastlink_f.web&search1=R=1466
Natural Resources Canada, 1939
Lang, A. H., Columnar jointing in basalt; Soda Creek, British Columbia., Natural Resources Canada Photo Collection # 85965, 1939
Photographie