26 NORTHWESTERN BOUNDARY OF UNITED STATES. [bull. 174. 
surveyed and marked under the direction of the Joint Commission appointed to 
carry into effect the 1st article of the treaty. Scale of 1:63360 or one statute mile to 
one inch. Photo-zincographed at the ordnance survey office under the superintend- 
ence of Captain R. M. Parsons, R. E., F. R. A. S.; Col. Sir H. James, R. E., F. R. S., 
etc., director, 1869. 
The six sheets following this are numbered 1 to 6, from west to east, 
and are signed "J. S. Hawkins, colonel, Royal Engineers, H. B. M. 
commissioner, 7th May, 1869." The geographic coordinates of 
camps and stations are given; topography is shown by hachures, 
trails are shown in brown, and water in blue. Iron monuments are 
shown by a square symbol ( ■ ) and stone monuments by a round 
one (•). The vistas and cleared part of the line appear to be 
indicated by two lines, one down on each side of the parallel, 
thus, — . 
(d) Between the title of the mile scale sheets and the sheets them- 
selves are two double pages, the first containing ten photographic 
views of monuments and vistas, as follows: 
Initial monument, stone obelisk, Point Roberts, four views, one of each face. 
Boundary monument, Mooyie River. 
Boundary monument and cutting, Kootenay East. 
Boundary monument and cutting, Yak'h River. 
Boundary monument and cutting, Kish-e-nehn. 
Boundary monument, watershed Rocky Mountains, looking north. 
Boundary monument, watershed Rocky Mountains, looking south. 
The second double page contains two tables of geographic coordi- 
nates, with descriptions of stations. These tables are printed in this 
bulletin, pages 29, 31, 33, 35, 37, and 39. 
According to these tables there are 161 monuments, marking parts 
of a boundary line 110 miles long. These are: 
Stone obelisk 1 
Iron pillars 42 
Pyramids of stones 3 
Bench marks 2 
Mound of earth 1 
Piles of stones 112 
Total 161 
(e) Lastly we have this double title page: 
Maps to illustrate the boundary line established by the convention of London, 
20th October, 1818, and the treaty of Washington, 15th June, 1846, between the 
British Possessions in North America and the United States, compiled from the 
following authorities: 
* •* * * * * * 
Scale of .0528 inches to 1 statute mile, or 1:1200000. Photozincographed, etc. 
1869. 
This is followed by three double-page photographic maps showing 
the country between the forty-fifth and fifty -first parallels of north 
latitude and from the Pacific Ocean eastward to Minnesota. 
