Keywords: Report on the geology and resources of the region in the vicinity of the forty-ninth parallel, from the Lake of the Woods to the Rocky Mountains BHL40837818.jpg Report on the geology and resources of the region in the vicinity of the forty-ninth parallel from the Lake of the Woods to the Rocky Mountains 40837818 126920 62419 Foldout http //www biodiversitylibrary org/page/40837818 10 5962/bhl title 62419 British North American Boundary Commission ; Dawson George Mercer Public domain The BHL considers that this work is no longer under copyright protection <br> Biodiversity Heritage Library PD-old-70-1923 Report on the geology and resources of the region in the vicinity of the forty-ninth parallel from the Lake of the Woods to the Rocky Mountains Images uploaded by Fæ Files from the Biodiversity Heritage Library |