Joint maps of the northern boundary of the United States
Subtitle: from the Lake of the Woods to the summit of the Rocky mountains
By: United States Northern Boundary Commission, Archibald Campbell, esq., commissioner.  W.J. Twining ... chief astronomer.  Her Majesty's North American Boundary Commission, D.R. Cameron ... commissioner, S. Anderson ... chief astronomer.
Contributors: Campbell, Archibald, 1813-1887; Cameron, Donald Roderick, 1834-1905
Published: 1878
Place of publication: [Washington
Language: eng
Number of pages: 25
Subjects: Northern boundary of the United States