Table /or computing differences of level from angles of elevation or depression 
(applicable to scale of i : 30000 ). 
r . . f 4- r»//| -4- hi for angles of elevation. 
Difference of level - j — T)h\ + /* 2 for angles of depression. 
1) = distance in scale divisions inch each; « = anglo of olevation or depression; //, = r>0 feet X tan a; 
li v .—correction for curvature and refraction. 
Argument for h, is a; argument for h 2 is I>. 
h \ iu feet. 
D 
7 '2 
1 ) 
// 2 
0° 
1° 
2 ° 
3° 
40 
5° 
6° 
7° 
Scale 
divisions. 
Feet. 
Scale 
divisions. 
Feet. 
. 000 
.014 
.020 
.873 
. 887 
. 002 
1.746 
1.760 
1.776 
2 . 620 
2.635 
2. 640 
3.496 
3.511 
3.525 
4.374 
4.389 
4.403 
A 41Q 
5.255 
5. 270 
5.284 
F> 9.00 
6.139 
6.154 
G. 169 
6 183 
000 
130 
107 
94.9 
0 
1 
2 
3 
1080 
10X0 
100X 
1107 
60 
61 
62 
63 
«1 
Loudon belt, east across. Locs.55.56 . . . 49 
Lower Zings Bridge.Fashion.Oran.etc., spent 
July 27,1901,at *♦•**•••• 99 
Lupton road, Clinton to Robertsville, Loc.10 7 
Lupton,Tenn.,shaly ls*at, extremely life 
Pierce at Murfreesboro . . 9 
Maclurea bedraknotty, at Loc#55.Philadelphia 47 
Mahon Cap: 
Oltewah to Cleveland by way of. Logs. 
77-79 ........... 73 
one-third mile before turning into 
Mahon Cap road, Loc*81.75 
Marble bed of Sevier shale - 25-foot Is .bed 
200 or 300 feet above, Loc.65 .... 59 
Marble Bluff belt, section across, Locs.58,59. 53 
Mare,gray. Belle - comments on her illness 33,35 
Maury phosphate at Catoosa Station, Loc# 
106, Ringgold to Dalton ...... 92 
Missionary Ridge .western slope of, Loc.83 . 79 
Moccasin Is# - represented probably at Loc. 
12,-Clinton to Robertsville .... 
Red sandstone and shale at Locs.107,108, 
Buzzard Boost Gap, is probably . 
"Hohawkian, basal” 0 in Clinch River section - 
rocks at Loc.53,across Marble Bluff belt, 
may be.53 
Mollusca, good slab of secured 1 mile east 
of Robertsville . 9 
Mosheim and Beekmantown at Loc.69, long 
belt 1 mile east of Benton ..... 65 
Mt. Parnassus: members of Lorraine at Loc.90, 
Chattanooga to Lookout Mt.and return, re¬ 
mind of Columbia Leiuers formation on . .83 
1 
