Joint maps of the northern boundary of the United States from the Lake of the Woods to the summit of the Rocky mountains. 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.North American Boundary Commission1983
Hands Up; Or, Thirty-five Years of Detective Life in the Mountains and on the Plains. Reminiscences by General D. J. Cook, Chief of the Rocky Mountain Detective Association. Comp. by John W. Cook. A Condensed Criminal History of the Far West.D. Cook1897
Reports Upon the Survey of the Boundary Between the Territory of the United States and the Possessions of Great Britain from the Lake of the Woods to the Summit of the Rocky Mountains, Authorized by an Act of Congress Approved March 19, 1872 / Archibald Campbell, Commissioner. Captain W.J. Twining, Chief Astronomer.North American Boundary Commission.1878
