https://geoscan.nrcan.gc.ca/starweb/nrcanphoto/servlet.starweb?path=nrcanphoto/nrcanphotofastlink_f.web&search1=R=59325
Natural Resources Canada, 8 octobre 2014
Dafoe, L T, Red friable shale with calcite-filled fractures., Natural Resources Canada Photo Collection # 2019-453, 2014
Photographie