The watchman and southron. [volume] (Sumter, S.C.) 1881-1930, 1900-03-21
Flowing Artrsiau Wells.
WHERE LIKELY TO BE
OBTAINED.

formation | have of>the geology of
Sumter county relative to srtesisn
veil psospecss. hut have delayed 10
che hope VI obtaining data from few
oommunisies where / was uncertain
Of the cxsos conditions. In writing
THE report ] porpcss TO furnish every
landowner with Information from
which he csn draw Q conclusion of
bic ohsoces for On arsesian we'll, %
there are many who do not know IL
they can get them In 10 doing I
90 fully aware of the fact thst MANY
who ere very anxious for wells will
0nd certain evidence Of their insbil.
isy 20 Get them
10 order to make this report com
preheosive. We must fret consider
The general geological conditions of
South Carolina The whole State
from mountain TO sesbosrd 10 under
laid BY sciid rock bed. This rock
bed 10 very nesr the surface In the
Upper portion of the State and con
tsouse 90 TO = line extending from
AuGuess. Ca. to Ohersw, 3 @ Il
uheu deepens toward the zee coast,
vssying 10 depth there from I 900 TO
. 500 feet
In Aiken, Lexirgton. Richland,
kershsw and Chesterfield counties,
and the northwest parts OF Orange
burg sumter. Darlington end Mar!
ooro. we have what is known a. the
seodhills This stratum consists of
gray sands and clays. and covers the
whole region from there to the sea,
lying directly on the rock bed and
varying 10 thickness from y to 600
feet; bat Usually about 400 feet.
The stratum lies deeper and deeper
fFom the surface toward the sea coast.
varying 10 depth there from 1000 to
1000 feet. This stratum is known a.
the Potomso sands
Next on the sur,ace We have q mar.
row ridge Of red clay hills. extending
ON line f:o@ the city If Orange burg
20 Society Hill in Dsrliog,on county
These clay hills extend from the sur
face TO che Potomac sands. bu, are
osly cspping and do not submerge
or appear any whore below the sur
fsce whore they ere not visible at the
eorfsce. This stratum 10 known %
the CoIombis clay osppiog
The whole country from the foot of
tAess hlQs TO the Gee 10 covered with
red end yellow clays. sands and
Iss0s. except occasionally 10 creeks.
swsops end bottoms Ttis strstum
varies In depth from . few feet TO 60
~ 30 feet bai 10 usually of lees
depth nesrsr the sea The 10 known
q The Lafayette stratum
The spsce between tbs Lafayette
end Potomso ssrstas 10. therefore,
from o fees st the foot Of the Colum
Die bills sod widening toward tho
sss ostil it 10 from I 900 10 1000 feet
% the zee oosst The spsce 10 filed
vish blue clsys and sands. etc ma
sise cretsceous formations aud lime,
ehsll. mari. etc eooene forpns,ions
These ioclude the principsi forma
sions OF South Csrolins with their
relative position aud general depths.
1 viii not undertake to give here
% sccount Of the water conditions
and possibilities throughout the State,
bot will do 90 for Sumter and relative
adjoining communities
In the northwest corner of Sumter
county We have the Potomac sands
cropping out on the surface and IN.
dsrlying the whole county 10 consid.
sssbls depth Boriugs in different
pIsccs penetrated these sands for 400
to 500 feet without finding the bed
rock. From Wedge field to Bishop.
vile Ne have the Co.umbis clay cap
ping. varying 10 thickness from l to
90 feet, aud lying on the Potomac
ssnds. Al the foot Of these hills we
have the Lafayette stratum. covering
the rems'nder OF tho country coast.
vsrds. snd whore the Lafayette stat.
un begins. begins the marine crets
ceous which increases in thickness
toward the coast. being about $50
tset thick st the southeast corner
Lying directly on the marine cre,a-
eeous. 10 some places we find shell
mari (eocene) varying in thickness
from . trace to Is feet thick
To obtain sn srtesisn flow of
wster We must 6ud . cortinuiug bed
OF porus sand. walled on every sije
By impervious matter. except where
10 10 connected TO q water supply Of
greater elevation than the point at
which the well is bored These con
diiions have only been found in por.
sions OF Sumter county underIaid by
the marine creisceous clsys. where,
after penetrating then. water is
found In the first bed of Potomac