Lat.,60° 17' 51" N.
Long.,140° 55' 30" W.

3 Report of the Superintendent of the U. S. Coast Survey for 1875, Appendix 10, pp. 157–188.

The computation by which these results were obtained is given below:

Computation of Geographic Position of Mount St. Elias.


Azimuth: Port Mulgrave to Mount St. Elias =142° 17' 17"
Diff. azimuth–59 55
+ 180°+180°
Azimuth: Mount St. Elias to Port Mulgrave =321° 17' 22"

Latitude. Longitude.
59° 33' 42"= Port Mulgrave139° 46' 16"
+44 09 = Diff. lat.+1 09 14 = Diff. long.
60° 17' 51"= Mount St. Elias 140° 55' 30"

1st Term. 2d Term.
Log. meters.
Log. K = (Distance, Mulgrave — St.Elias) = 5.0183184 K2 = 0.0366
Log. cosine azimuth, Z, 142° 17' 17" = 9.8982292 Sine2 Z = 9.5731
Log. B = 8.5093902 Log. C = 1.6335
Log. 2666".5 = 3.4259378 Log. 17".6 = 1.2432
1st term = + 2666".5
2d term = – 17 .6
Difference lat. = 2648".9