_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 Mulgrave 139° 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 = (Dist., Mulgrave-St. Elias) = 5.0183184 K^2 = 0.0366 Log. cosine azimuth, Z, 142° 17' 17" = 9.8982292 Sine^2 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 2nd term = - 17 .6 ------- Difference lat. = 2648".9 -------------------------------------------------------------------- Log. K = 5.0183184 Log. sine azimuth = 9.7865328 Log. A[4] = 8.5086148 Arithmetical complement 60° 17' 51" = 0.3049593 --------- Log. diff. in longitude 4153".6 = 3.6184253 -------------------------------------------------------------------- Log. diff. long. = 3.61843 Log. sine mean latitude 59° 55' 46" = 9.93722 ------- Log. diff. azimuth--3595" = 3.55565 -------------------------------------------------------------------- [Footnote 4: _A_, _B_ and _C_ are terms depending on the size and figure of the earth and the latitude of the place.] {237} The geographic position of Mount St. Elias is of popular interest in connection with the boundaries of Alaska.