Table /or computing differences of level from angles of elevation or depression 
(applicable to scale of i : 30000 ). ^ 
f 4- T>/t. I- h-, for ungleB of olovation. 
imTorenco of level— -j p/ + f for ang i 08 0 f depression. 
p = distance in scale divisions r } 0 inch each; « = auglo of olovation or depression; 7,, = 50 feet X tan a; 
h2= correction for curvature and refraction. 
Argument for 7/, is a; argument for /tj is D. 
hi in feot. 
0 ° 
.000 
.014 
. 020 
1 ° 
.873 
.887 
. 902 
2 ° 
3° 
4° 
5° 
6 ° 
1.74G 
l. 7 GO 
1.775 
2. G20 
2.635 
2. 649 
3.496 
3.511 
3.525 
4.374 
4.389 
4.403 
»—A A 1 Cj 
5.255 
5.270 
5.284 
K 9.»i) 
6.139 
6.154 
G. 109 
II 183 
I) 
Scale 
divisions. 
000 
1 30 
107 
dl‘2 
h 2 
D 
Feet. 
Scale 
divisions. 
0 
1080 
1 
1089 
o 
*1 
1098 
3. 
1107 
1 iii' 
Lebanon Is.cont *d*s 4HMi 
at Loc s*95m94, Chattanooga to Ringgold * 
upper Lebanon at Loc*96,Chattanooga 
to Ringgold* probably equivalent to 
bed at Shelbyville,Murfreesboro ,and 
Columbia «*•**•* 
Stones River and Lebanon at Locs.93~96a, 
Chattanooga to Ringgold * 
at Locs*97“105 . 
Lee conglomerates 
at Swagerty Cove . 
regular succession from down to Knox at 
La Follette . 
Feet. 
Lenoir Is*: 
good exposures of lower 100 feet,Loc* 53 , 
Philadelphia, .. 
at Loc*54,Philadelphia. 
may occur under cover ,Loc.58,section across 
Marble Bluffs 
under cover at Loc* 60,Sweetwater to Athens 
at Loc*60 
at Loc*64 
largely composed of dove Is*at Loc*VI, 
Benton soxith to Ocoee River 
fairly well exposed at Loc#72,Fitzerton 
Benton band of,near Fitzerton, Loc*Vo, 
probably Beelonantown 
Lenoir -Chickamauga Is.at Hewassee Cap and 
Gee Creek,Loc*67 
! 
