C N T E N T S 
Pa 
Letter of transmittal 
Introduction 
Sources of in for;: ation 
Establishment of the line 
History of the survey 
Cost 
Maps , 
Original manuscript maps 
Preliminary 
Final drawings 
British maps. 
Geographic ci >< trdinates 
Magnet ics 
Elevati< >ns 
Indian nanus 
Scientific results 
Appendix A. Mode of determining points od the parallel 
Appendix B. Report by J. G. Parke, November 12, 1S59 
Appendix C. Report by Archibald Campbell, February 3, L869. 
[ndex 
, r o. 
7 
9 
9 
L3 
13 
18 
L9 
19 
19 
21 
25 
27 
40 
42 
58 
61 
64 
66 
72 
77 
I L LUSTRA T I N 
Plate I . [ndex map 
