130,no bottom
GEOLOGICAL MAP
SAINT HELENA
INOENS WW/t/mBk JO H N CHARLES MELLISS
1869.
LADDER HILL OBSERVATORY.
Lafc. 15*.55Í 26'.’ S .
L o n e . 5T42- 3 0 r W. HORSE ?'■
160, no b o ttom
PEAKED I!
2635
b o ttom
DEEP VALLEY
BAY
i b o ttom
REFERENCES ■
9 Centre o f Great Crater.
X Lateral Volcanic Cone.
- Dikes.
Dane o f Upheaval.
___ > Direction, o f flow o f Lara,.
ñ T Denotes th a t the angle ofindm atioiv
o f the Strata, is 5Î
g y Denotes th a t the angle ofincbnahxm,
is from Z° to 3°
The figures denote, Elevation, above
SeadeveLin, feet, , and, depth, below
Sea,leveLin> fathoms.
^ ^ Dénotes horizontal stratification,.
•# Site o f extinct Solfatara,.
a , Ochrc beds and, coloured, Marls.
'CHIMNEY
1 2 0 .n o b o tto n i
Z 5 0 .n o bo ttom
SPEERY ROCK,
53 .s a n d
1 8 0 .n o b o t to m
130,n o b o t to m
160, n o b o tto m
bottom
3 Mdes
L.Reeve m Co., London.
