Clackmannan and Kinross . o Auchmuir in thesouth-east. This would give the lake an area ofat least 5000 acres, about half as large again as itspresent size. The contraction in size is due partlyto natural and partly to artificial causes. Besides thenatural silting up of the lake, the o\erflow of the water,escaping by the river Le\en through a narrow defile atAuchmuirbridge, has at this place so cut down its channelas to reduce considerably the height of the loch. Secondly,between 1826 and 1836, a new channel, some threemiles in length, was cut at a lowel level from the lochto Auchmuirbridge. T
Clackmannan and Kinross . o Auchmuir in thesouth-east. This would give the lake an area ofat least 5000 acres, about half as large again as itspresent size. The contraction in size is due partlyto natural and partly to artificial causes. Besides thenatural silting up of the lake, the o\erflow of the water,escaping by the river Le\en through a narrow defile atAuchmuirbridge, has at this place so cut down its channelas to reduce considerably the height of the loch. Secondly,between 1826 and 1836, a new channel, some threemiles in length, was cut at a lowel level from the lochto Auchmuirbridge. This, the New Cut, permanently (;k()L()(;v 07 reduced the le\el of Loch Le\ en bv 4^ feet. Power tocause a further reduction in level has been given to themill owners along the ri\er, who also benefit b\- the pre-\ention of the disastrous floods which, previous to theseoperations, were frequent in winter time in the lowerLeven \alle\. The depth ot Loch Leven is, in twopits, greater than 6o feet, but this is more than twice. The New Cut. looking east the average depth. It contains seven islands, whosesandy structure shows them to be the tops of kames. StSerfs Island is the largest, containing some 8o acres ;while the only other island of any size is Castle Island,containing; eight acres and situated off the town ofKinross. D. C. 98 KINROSS-SHIRE 5. Natural History. Two-thirds of the county is under cultivation, withoats as the chief crop. Where the July temperature isbelow 56° F. and the rainfall exceeds 34 inches perannum, wheat ceases to be a regular crop; and as theJuly temperature of this shire is but slightly above thisminimum and the rainfall is certainly greater than34 inches, practically no wheat is sown. Cultivation infavourable localities on the southern slopes of the Ochilsmay be carried up to the 1000-feet contour line; butmore generally the cultivated area passes about the 800-feet level into the zone of hill pasture. The lowerslopes of the hill pasture are clothed
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Keywords: ., bookcentury1900, bookdecade1910, bookidclackmannank, bookyear1915
