"Northwest boundary of the United States." . . "British Columbia." . . "Geology British Columbia." . . "Géologie Canada." . . "Northwestern States" . . . . "Geology Canada." . . "Geology." . . "Géologie Colombie-Britannique." . . "Rocky Mountains." . . "Formations (Géologie) Colombie-Britannique." . . "Daly, R. A." . . "Geology of the North American Cordillera at the forty-ninth parallel : in three parts"@en . . . . . . "Geology of the North American cordillera at the Forty-ninth Parallel"@en . . "Geology of the North American Cordillera at the Forty-Ninth parallel"@en . "Geology of the North American Cordillera at the forty-ninth parallel, by Reginald Aldworth Daly" . . . . "Geology of the north american cordillera at the Forty-ninth parallel" . . . . . . . . . . . "Geology of the North American cordillera at the forty - nine parallel" . . "Geology of the North American Cordillera at the forty-ninth parallel" . "Geology of the North American Cordillera at the forty-ninth parallel"@en . . . . . . . . . . . . . . . . . . . . . "North american cordillera Forty-ninth parallel" . . . "North American cordillera at the forty-ninth parallel"@en . . "Publications officielles" . . . . . . . . "Geology of the North American Cordillera at the Fortyninth Parallel" . "Geology of the North American cordillera at the forty-ninth parallel" . "Geology of the North American cordillera at the forty-ninth parallel"@en . "Geology of the North American cordillera at the forty-ninth parallel : in three parts, Part 1"@en . . . . "North American Cordillera : forty-ninth parallel"@en . . . "Canada." . . "Canada" .