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PORTLAND, ISLE OF

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Originally appearing in Volume V22, Page 121 of the 1911 Encyclopedia Britannica.
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PORTLAND, ISLE OF , properly a See also:peninsula of the See also:coast of See also:Dorsetshire, See also:England, as a prolongation of a narrow See also:ridge of See also:shingle, Chesil See also:Bank (q.v.), connects it with the mainland. Pop. (1901), 15,262. It is 4 M. See also:long and nearly 11 in extreme breadth, with an See also:area of about 41 sq. m. The shores are See also:wild and precipitous, and Portland is inaccessible from the See also:sea except towards the See also:south. The highest point, See also:close upon 500 ft., is the See also:Verne See also:hill in the See also:north. See also:Wave See also:action is seen in the numerous caverns, and south-See also:east of Portland See also:Bill, the See also:southern extremity of the isle, is a bank called the See also:Shambles, between which and the See also:land there flows a dangerous current called the See also:Race of Portland. A raised See also:beach is seen at Portland Bill. The substratum of the See also:island is Kimeridge See also:Clay, above which rests beds of See also:sand and strata of Oolitic See also:limestone, widely famed as a See also:building See also:stone. Extensive quarries, which are See also:Crown See also:property, have supplied the materials for St See also:Paul's See also:Cathedral and many other important public buildings. In the " dirt-See also:bed " resting upon the Oolitic strata numerous specimens of petrified See also:wood are found, some of See also:great See also:size. The See also:soil, though shallow, is fertile, and mutton fed on the grass has a See also:peculiar See also:rich flavour.

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Quarrying, fishing and See also:agriculture are the See also:chief See also:industries. Several curious See also:local customs are retained by the inhabitants. A See also:joint railway of the Great Western and See also:London & South Western companies runs south from See also:Weymouth to Portland (44 m.) and See also:Easton (82 m.) on the isle. The isle contains a convict See also:prison with See also:accommodation for about 1500 prisoners. Portland See also:Castle, built by See also:Henry VIII. in 1520, is generally occupied by the See also:commander of the See also:engineers or of the See also:regiment stationed on the island. On a See also:rock on the eastern See also:side are remains of a more See also:ancient fortress, See also:Bow and Arrow Castle, ascribed to See also:William See also:Rufus. A See also:harbour of See also:refuge, begun in 1847 under the direction of the See also:Admiralty, was completed some fifteen years later. A See also:breakwater stretching in a northerly direction from the north-east corner of the island partially enclosed a large area of See also:water naturally sheltered on the south and See also:west. An inner See also:arm ran nearly east from the island and terminated in a See also:masonry See also:head and fort, and an See also:outer detached arm See also:bent to the north and terminated in a circular fort, a narrow entrance for See also:shipping being See also:left between the two. It was formed of a See also:rubble See also:mound quarried by convict labour at the See also:summit of the island, and was lowered by a See also:wire-rope incline to the sea. The harbour thus made was open on the north to Weymouth and the Channel, but the See also:necessity for greater See also:protection from See also:torpedo attack made it advisable to See also:complete the enclosure. Accordingly the See also:Naval See also:Works Acts of 1895 and subsequent years sanctioned works for closing the See also:gap—about 2 m. long—between the end of the outer breakwater and the Bincleaves rocks near Weymouth, by two new breakwaters.

One of these runs nearly east from the Bincleaves See also:

shore and is about 4642 ft. long, while from its extremity the other, about 4465 ft. long, stretches in a south-east direction towards the old outer breakwater, passages for See also:navigation about 700 ft. wide separating it from its neighbours at each end. These new structures also consist of rubble mounds. The defensive harbour thus completely enclosed has an area of 2200 acres to the one-See also:fathom See also:line, of which 15oo acres have a See also:depth of not less than 3o ft. at See also:low water. There is no dockyard at Portland, but the watering and coaling arrangements for the See also:supply of the See also:fleet are of considerable importance. There is a coaling See also:jetty and See also:camber for the storage of both sea-See also:borne and land-borne See also:coal, with See also:hydraulic appliances for handling it. The harbour and island are strongly fortified. The isle of Portland is not mentioned in the See also:time of the See also:Romans. In 837 it was the See also:scene of an action against the Danes, and in 1052 it was plundered by See also:Earl See also:Godwine. In 1643 the See also:parliamentary party made themselves masters of the island and castle, but shortly afterwards these were regained by the Royalists through a See also:clever stratagem, and not recovered again by the forces of the See also:parliament till 1646.

End of Article: PORTLAND, ISLE OF

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