108 
METEOROLOGICAL OBSERVATIONS—ALTITUDES—DISTANCES. 
III .—Data for Profile of Roubideau's Pass—Altitudes above Camp 46, {Creek.) 
Station. 
Hour. 
Barometer, 
in inches, 
No. 498. 
Attached 
ther., (F.) 
Corrected 
barometer, 
in inches. 
Det’d ther¬ 
mometer. 
Height above 
camp 46. 
Entire alti¬ 
tude. 
Dist from 
camp 46. 
Feet. 
Feet. 
Miles. 
7638 
Level of base of mountain... 
3.30 p. m... 
22.496 
85. 1 
22. 420 
73 
517. 86 
8155. 9 
6.25 
Outlet of pass. 
2.30 p. m... 
22. 390 
82.4 
22.225 
76 
968.12 
8606.1 
7.85 
Two miles from summit. 
10.40 a. in.. 
21. 855 
59.9 
21.764 
65 ) 
Two miles from summit. 
2 p. m. 
21.855 
64.4 
21.778 
62.5 J 
1341. 00 
8979.1 
9.10 
One mile from summit. 
1.30 p. m... 
21.551 
84.2 
21.449 
72 
1718.15 
9356. 1 
9. 80 
Summit station. 
124p.m.... 
21.272 
78.8 
21.163 
62 
2134.11 
9772. 1 
10. 55 
IV .—Simultaneous Meteorological Observations at the Coochetopa Pass. 
V .—Observations for a Deep Cut or Tunnel, allowing fifty yards as width of the ridge, in the 
Coochetopa Pass. 
12.45 p. m 
Summit 
532.4 
17* 
20. 961 
62.6 
1 p. m- 
*350 ft. east 
534.4 
17.5 
21.240 
63.5 
1.15 p. m. 
Summit.... 
532.5 
17.5 
20. 965 
63.5 
1.20 p. m. 
*350 ft. west 
533 
16.5 
20. 985 
61.7 
1.30 p. m. 
Summit.... 
532.3 
15.5 
20. 957 
59.9 
* Besides 150 fee*;, the width of ridge at summit level. 
IV .—Simultaneous Meteorological Observations at the Coochetopa Pass —Continued. 
6 a. m- 
Camp 54... 
541.4 
11* 
21.316 
51.8 
Camp 54... 
6 a. m_ 
540.7 
11 
21.288 
51.8 
8 a. m.... 
Station 1 .. 
547.4 
21 
21. 552 
69.8 
Do. 
8 a. m_ 
541.5 
18 
21.320 
64.4 
9 a. m..~ 
Station 2... 
550.3 
23.7 
21.666 
74.6 
Station 1... 
9 a. m_ 
546.8 
23 
21.528 
73.4 
10 a. m .. 
Station 3... 
554 
25 
21. 811 
77 
Station 2... 
10 a. m... 
549 
23 
21.614 
73.4 
11 a. m... 
Station 4 ... 
556.4 
22.2 
21.906 
71.9 
Station 3... 
11 a. m... 
553.5 
25 
21.792 
77 
1 p. m- 
Station 5... 
554.1 
25 
21.815 
77 
Station 4... 
1 p. m.... 
560 
24 
22. 048 
75.2 
2 p. m- 
Station 6 ... 
548 
22.8 
21.575 
73 
Station 5... 
2 p. m.... 
554.1 
26 
21.815 
78.8 
3p.m.... 
Station 7 ... 
555. 4 
26 
21.867 
77 
Station 6... 
3 p. m- 
545.8 
25 
21.489 
77 
4 p. m- 
Station 8... 
559 
25.5 
22. 009 
77.9 
Station 7... 
4 p. m- 
554.5 
24 
21.831 
75.2 
5 p. m- 
Camp 55... 
564. 4 
27 
22. 221 
80.6 
Station 8... 
5 p. m- 
557.5 
24 
21.950 
75.2 
6 p. m- 
.do. 
564.4 
24 
22. 221 
75.2 
Camp 55... 
6 p. m_ 
564.2 
23.5 
22.213 
74.3 
9 p.m.... 
.do. 
562.2 
13 
22.134 
55.4 
Do. 
9p.m.... 
562.5 
13 
22. 146 
55. 4 
*, For air temperature, at corresponding hours, see Table VI. 
