https://geoscan.nrcan.gc.ca/starweb/nrcanphoto/servlet.starweb?path=nrcanphoto/nrcanphotofastlink_f.web&search1=R=55059
Natural Resources Canada, octobre 1996
Sauchyn, David J., The Red Deer River valley about 10 km downstream from Drumheller, Alberta.The river channel and terraces occupy a glacial meltwater channel...
Photographie