@misc{indiciae224699965e6c, title = {The North American Cordillera: A color shaded-relief map in oblique Mercator projection about the Pacific-North America pole of rotation}, author = {Ralph Albert Haugerud}, year = {1998}, doi = {10.3133/ofr98140}, url = {https://pubs.usgs.gov/publication/ofr98140}, note = {Source identifier: ofr98140} }