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The universal geography : earth and its inhabitants

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RIVERS AND LAKES. 421<br />

Far more sixlubrious are the shores of the Cerisio, or Luke of Lugano, a double<br />

bafiin, within which the two ancient ghiciers of the Ticino <strong>and</strong> the Adda formerly<br />

united into a single river. AVhen the glaciers retired the basin of the Cerisio<br />

was left with but a few inconsiderable affluents. <strong>The</strong> alluvium brought down by<br />

them from the mountains is only of trifling quantity, <strong>and</strong> the lake shrinks conse-<br />

quently very slowly. This lake, not being subjected to sudden flood.s, might easily<br />

Fig. 298.<br />

—<br />

<strong>The</strong> Lakeb of Luoako avd Como.<br />

f-ciUc 1 : 250,000.<br />

fi Miles.<br />

K.xl I'.<br />

E.»(Cr. .<br />

be transformed into a huge reservoir, whence the neighbouring fields of Lombardy<br />

might be irrigated. Signor Yilloresi, an Italian engineer, has proposed to connect<br />

it by means of a tunnel, only 2 miles in length, with the Lake of Como, <strong>and</strong> to<br />

convert the latter into a basin of distribution, whence the water would be conveyed<br />

to the sterile l<strong>and</strong>s of the Somma. <strong>The</strong> water available for such a purpose has<br />

been estimated at between 560 <strong>and</strong> 1,120 cubic feet, according to the season.

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