https://geoscan.nrcan.gc.ca/starweb/nrcanphoto/servlet.starweb?path=nrcanphoto/nrcanphotofastlink_f.web&search1=R=61928
Natural Resources Canada, septembre 1979
Jefferson, C W, Fig. 14E. Rectilinear sand-filled cracks (dark red) in pale red siltstone (T2 formation, east central NTS 66G2)., Natural Resources Canada...
Photographie