Table for computing differences of level from angles of elevation or depression 
(applicable to scale of i : 30000). 
f . ... ( 4- TV*. 4- hi for augleB of el ovation. 
Dilloronco of lo\ ol | — y>/, ( f or angles of depression. 
I) = distance in scale divisions inch each; « = anglo of elevation or depression; 7/, =50 feet X tan «; 
i s =correction for curvature and refraction. 
Argument for 7/, is a; argument for h. z is D. 
7/, iu feet. 
D 
7 /2 
I) 
7/ s 
/ 
0° 
1° 
2° 
3° 
4 ° 
5 ° 
6° 
7 ° 
Seale 
divisions. 
Feet. 
Scale 
divisions. 
Feet. 
0 
. 000 
.873 
1.746 
2 . 620 
3.406 
4. 374 
5.255 
6.139 
000 
0 
10S0 
60 
1 
.014 
.887 
1.760 
2. 635 
3.511 
4.389 
6.270 
6.154 
1 30 
1 
10S1) 
61 
2 
.020 
.902 
1.775 
2.640 
3.525 
4. 403 
5.284 
6.169 
11)7 
2 
101) s 
62 
3 
r ^ ■*“ 
ev*A 
A A IQ 
r> 200 
6.183 
‘242 
.3.. 
1107 
63 
Localiti 
54# 
55,56. 
57. 
58,59* 
60. 
61 - 63 # 
75,75a 
755 
76. 
77-79. 
82. 
83. 
84-87. 
es cont’d.s 
Northeast of Philadelphia • • • • 
Bast across Loudon belt • 
Section across Ordovicic belt 1 mile 
SB.Adoluhus P.0. 
Section across Marble. Bluff belt 
Section,Sweetwater to Athens . • 
Section across Chickamauga band 
SE. of Athens ... * 
Near Benton . . 
Section east of Athens .... 
White Cliff Springs road • * * 
Section of.* . 
Athens to Benton . 
Hewassee Cap .. 
Up Pourmile Creek: near Benton . 
Long belt 1 mile east of Benton 
Benton, south to Ocoee Biver . . 
Fitzerton . 
Benton band of Lenoir limestone 
near Fitzerton . 
Climer, about 7 miles east of 
Cleveland in gully . 
Near Cleveland . 
. Cleveland, west to Oltewah • • 
. llailroad cut west side of White 
Oak: lit 
Northeast of Oltewah ... 
Cltewah to Cleveland by way of 
Mahon Cap ..*•••• 
Snow Kill P.O., Oltewah to Cleveland 
One-third mile before turning 
into Mahon Cap road . ♦ • • • 
Quarry 8 miles east of Chattanooga 
Western slope of Missionary Ridge 
Section across eastern fork 
Chattanooga band . 
67 
81 
