286 GEOGRAPHIC TABLES AND FORMULAS. [bull. 234. 
Table 27. — Horizontal distances and elevations front stadia readings. 
Minutes. 

3^ 
1 
o_ 
2 
o 
3 
o_ 
Horizon- 
Difference 
Horizon- 
Difference 
Horizon- 
Difference 
Horizon- 
Difference 
tal dis- 
of eleva- 
tal dis- 
of eleva- 
tal dis- 
of eleva- 
tal dis- 
of eleva- 
tance. 
tion. 
tance. 
tion. 
tance. 
tion. 
tance. 
tion. 

100. 00 
0.00 
99.97 
1.74 
99.88 
3.49 
99.73 
5.23 
2 
100. 00 
0.06 
99.97 
1.80 
99.87 
3.55 
99.72 
5.28 
4 
100. 00 
0.12 
99.97 
1.86 
99.87 
3.60 
99.71 
5. 34 
6 
100. 00 
0.17 
99.96 
1.92 
99.87 
3.66 
99.71 
5.40 
8 . 
100. 00 
0.23 
99.96 
1.98 
99.86 
3.72 
99.70 
5.46 
10 
100. 00 
0.29 
99.96 
2.04 
99.86 
3.78 
99.69 
5.52 
12 
100. 00 
0.35 
99.96 
2.09 
99.85 
3.84 
99.69 
5.57 
14 
100. 00 
0.41 
99.95 
2.15 
99.85 
3.90 
99.68 
5.63 
16 
100. 00 
0.47 
99. 95 
2.21 
99.84 
3.95 
99.68 
5.69 
18 
100. 00 
0.52 
99.95 
2.27 
99.84 
4.01 
99.67 
5.75 
20 
100. 00 
0.58 
99.95 
2.33 
99. 83 
4.07 
99.66 
5.80 
22 
100. 00 
0.64 
99.94 
2.38 
99.83 
4.13 
99. 66 
5. 86 
24 
100. 00 
0.70 
99.94 
2.44 
99.82 
4.18 
99.65 
5.92 
26 
99.99 
0.76 
99.94 
2.50 
99.82 
4.24 
99.64 
5.98 
28 
99.99 
0.81 
99. 93 
2.56 
99.81 
4.30 
99. 63 
6.04 
30 
99.99 
0.87 
99. 93 
2.62 
99.81 
4.36 
99." 63 
6.09 
32 
99. 99 
0.93 
99. 93 
2.67 
99.80 
4.42 
99.62 
6.15 
34 
99.99 
0.99 
99. 93 
2.73 
99.80 
4.48 
99.62 
6.21 
36 
99.99 
1.05 
99.92 
2.79 
99.79 
4.53 
99. 61 
6.27 
38 
99.99 
1.11 
99. 92 
2.85 
99.79 
4.59 
99.60 
6.33 
40 
99.99 
1.16 
99.92 
2.91 
99.78 
4.65 
99.59 
6.38 
42 
99.99 
1.22 
99.91 
2.97 
99.78 
4.71 
99.59 
6.44 
44 
99.98 
1.28 
99.91 
3.02 
99.77 
4.76 
99.58 
6. 50 
46 
99.98 
1.34 
99.90 
3.08 
99.77 
4.82 
99.57 
6.56 
48 
99. 98 
1.40 
90.90 
3.14 
99.76 
4.88 
99. 56 
6. 61 
50 
99.98 
1.45 
99. 90 
3.20 
99.76 
4.94 
99.56 
6.67 
52 
99. 98 
1.51 
99. 89 
3.26 
99. 75 
4.99 
99. 55 
6. 73 
54 
99. 98 
1.57 
99.89 
3.31 
99.74 
5.05 
99.54 
6.78 
56 
99.97 
1.63 
99.89 
3.37 
99. 74 
5.11 
99. 53 
6.84 
58 
99.97 
1.69 
99.88 
3.43 
99.73 
5.17 
99.52 
9.90 
60 
c=0. 75 
c=1.00 
c=1.25 
99.97 
1.74 
99.88 
3.49 
99.73 
5.23 
99. 51 
6.96 
0.75 
0.01 
0.75 
0.02 
0.75 
0.03 
0.75 
0.05 
1.00 
0.01 
1.00 
0.03 
1.00 
0.04 
1.00 
0.06 
1.25 
0.02 
1.25 
0.03 
1.25 
0.05 
1.25 
0.08 
