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3; [1 t 1, 72 -COLLIERIES.
,-a ;‘ i ‘
iii "‘,"if 7';5,i,13 ‘his followers to lie flat upon the ground, and cast the-eye
' down perpendicularly to the foot of the column, a depth
‘ ‘V’ of 250 feet ; this can be done in many places without the
‘S3 I‘ least danger. Some of the columns are magnetical.
h ., K v
a n .' e
um : ‘
‘ Near the highest point of Fair Head is an extraor-
suppose him to return to Bally Castle. -’ ..
The next object of interest and curiosity is the Colliery‘;
of which, probably, a brief history as to itsadiscovery and
importance to the country, rather than a minute detail of
its geological situation, would" be both the most accept-
able to the tourist and the most appropriate fora work of
this nature. ‘ , A :
The collieries occupy an extent of one .mile along the
coast of the hay ; they have been wrought for many cen-
turies, as we shall shortly demonstrate, and were found
extremely productive: they once sent from ten to fifteen
thousand tons to market annually, whereas, probably,
one thousand or fifteen hundred is the present limit.
The inhabitants appear to prefer turf fuel, andieven the
islanders from Raghery. carry over turf from the main"
and. The chief dependance of the co1lier'is upon the
Dublin market, whither the Derry ships (which otherwise
would be unfreighted) take cargoes, and for which they are
' :73 go: I -dinary cave, said to be artificial, and called a I’ict’s ,
if - house. Not far hence are two small lakes, at an e1eva- .
' ' . 'i ’tion exceeding 400 feet above the sea, called Lough
I ‘ Caolin and Lough-na-Cressa; one of these discharges its
X5 ; ‘overflowing waters into the sea, through the whyndyke‘,
5:3 V ' called Carrick Mawr, or the Great Crag. The pedestrian
may now continue his excursion along the edge of the
precipice for about two miles, after which, the sceneryhe
(‘:11 . ' is already acquainted with reappears. And here .we.shall ‘
. x ‘ft x‘
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