INDEX 
Pago. 
Astronomic piers at Spokane, Wash., plate 
showing 22 
Azimuth, observations for 25-29 
Base line, measurement of 25 
Bitterroot Mountains, character of 18 
plate showing monument at summit of 54 
plates showing views of summit of 16, tit' 
Blacktail, Idaho, triangulation station at. . . 32-33 
Blacktop, Idaho, manipulation station at... 37 
Blue, Idaho, triangulation station at 35 
Border, Canada, triangulation station at 38-39 
Boundary line, map of 66 
Boundary lines, classes of 16-17 
Boundary lines in the Northwest 15-18 
Buekhorn, Idaho, triangulation station at. . 37 
Cabinet Range, plates showing views of 18, 20 
Campbell, A., extract from report of 58-59 
work of 58 
Carlton, Wash. , triangulation station at 32 
Chilco, Idaho, triangulation station at 33 
Clark Fork, plate showing view of 56 
Cr< »ss, Mont., triangulation station at 38 
Divide, Idaho, azimuth determinations at . . 26 
triangulation station at 34, 40 
Doust, Idaho, triangulation station at 35-36 
Ewing, Mont., triangulation station at 38 
Financial statement 63-65 
Gannett, S. S., work of 19, 21, 26 
Ha wkins, J. S. , work of 58 
Hell Roaring, Idaho, triangulation station 
at 36 
Idaho, boundaries of 16 
description of post at corner of Montana 
and 17 
International boundary, surveys of 58-63 
Latitude, observations for 21-22 
Leonia, Idaho, plate showing view of monu- 
ment near 54 
Little Baldy, Wash., triangulation station at 31 
Longitude, observations for 23-24 
Page. 
Montana, boundaries of 16 
description of ]>ost at corner of Idaho 
and 17 
Monuments, description of 47^18 
location of 49-56 
plates showing 46, 54 
table showing number and kind, dis- 
tance, elevations, etc 56-57 
Mooyie Trail Monument, triangulation sta- 
tion at 34-35 
Moran, Wash., triangulation station at 30-31 
Newton, Mont., triangulation station at 37 
Parke, J. G., work of 58 
Perkins, E.T., jr., work of 18,19 
Prevost, — , work of 58 
Reaburn, D. L., work of 19, 20, 21, 28 
Richards, A. V., work of 17 
Richards, — , work of 58 
Round Top, Idaho, triangulation station at. 34 
Scotchman, Idaho, triangulation station 
at 33-34,36 
Scotchman Peak, plate showing view near 
summit of 20 
Skalan, Idaho, triangulation station at 32 
Spokane, Wash., measurement of base line 
at 25 
observations for latitude at 22 
plate showing astronomic piers at 22 
triangulation stations at 29-30 
Stadia and transit work 40-47 
Stadia rod, design for 41 
Stadia work, remarks on 47 
Tomkinson, Wash., triangulation station at 31 
Transit and stadia work 40-47 
Transit station, plate showing view of 40 
Transit station 154 , triangulation at 39 
Transit station 949, triangulation at 39 
Triangulation, diagram of 30 
work in 29^0 
Walcott, CD., letter of instructions by 11-15 
67 
o 
