The National Geographic Magazine, Vol. III., PP. 205-261, I-XXXV, PL. 21, February 19, 1892 — John Shaqi
The National Geographic Magazine, Vol. III., PP. 205-261, I-XXXV, PL. 21, February 19, 1892Various
History
The National Geographic Magazine, Vol. III., PP. 205-261, I-XXXV, PL. 21, February 19, 1892
Various
Geography -- Periodicals
_Resulting Angles_.
--------------------------------------+
| WESTERN BASE. |
--+-----------+-----------+-----------+
| | | Corrected |
| Right | Left | Vertical |
| vernier. | vernier. | angle. |
--+-----------+-----------+-----------+
1 | 98° 31' | 98° 32' | +5° 43' |
2 | 98 32 | 98 30 | +5 43 |
3 | 98 29 | 98 29 | +5 43 |
4 | 98 29 | 98 28 | +5 43 |
5 | 98 29 | 98 27 | +5 43 |
6 | 98 30 | 98 30 | +5 43 |
7 | 98 30 | --------- | +5 43 |
8 | 98 25 | 98 27 | +5 43 |
--+-----------+-----------+-----------+
| 98 29 22 | 98 29 00 | |
--+-----------+-----------+-----------+
Mean 98° 29' 12" +5° 43' |
--------------------------------------+
| EASTERN BASE. |
--+-----------+-----------+-----------+
| | | Corrected |
| Right | Left | Vertical |
| vernier. | vernier. | angle. |
--+-----------+-----------+-----------+
1 | 76° 7' | 76° 8' | +5° 37' |
2 | 76 7 | 76 7 | +5 37 |
3 | 76 6 | 76 7 | +5 37 |
4 | 76 7 | 76 8 | +5 37 |
5 | 76 7 | --------- | +5 37 |
6 | 76 7 | 76 8 | +5 37 |
7 | 76 7 | | |
--+-----------+-----------+-----------+
| 76 6 51 | 76 7 36 | |
--+-----------+-----------+-----------+
Mean 76° 7' 10" +5° 37' |
--------------------------------------+
The known elements of the triangle from which the distance of St.
Elias from the ends of the base line may be determined are:
[Illustration: Distance triangle.]
These data were sent from the field to the Secretary of the National
Geographic Society, and, in connection with other measurements made at
the same time, have been computed by {235} Mr. S. S. Gannett, of the
United States Geological Survey. The results of the computation, so
far as they relate to Mount St. Elias, are given below:
Public-domain text, read in full here on John Shaqi.
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