38 NORTHWESTERN BOUNDARY OF UNITED STATES. [bull. 174. 
Table III. — Locations and longitudes of the boundary monuments — Continued. 
FROM AMERICAN SOURCES— Continued. 
No. 
Location of monument. 
Longitude. 
153 
154 
155 
156 
157 
158 
159 
160 
161 
O 1 It 
122 38 45. 5 
40 04. 1 
41 22.7 
42 20. 5 
43 59. 9 
123 00 42. 9 
02 12. 7 
03 02.9 
03 53 
. . .do 
Ridge on Point Roberts 
Flat east of Obelisk 
