Читать книгу Shelters, Shacks and Shanties - Daniel Carter Beard - Страница 18

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The projecting ledges of bluestone that have horizontal seams form half caves from the falling apart of the lower layers of the cliff caused by rain and ice and often aided by the fine roots of the black birch, rock oak, and other plants, until nature has worked long enough as a quarry-man and produced half caves large enough to shelter a stooping man (Figs. 8, 9, and 10).

Although not always necessary, it is sometimes best to make a shelter for the open face of such a cave, even if we only need it for a temporary camp (Fig. 10); this may be done by resting poles slanting against the face of the cliff and over these making a covering of balsam, pine, hemlock, palmetto, palm branches, or any available material for thatch to shed the rain and prevent it driving under the cliff to wet our bedding.