Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
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A wolf howling alone produces a low, drawn-out mournful cry. The noise made by the howls of an entire pack can be incredible. Some wolves yip; some yowl. Others moan, whine, bark, or wail, National Geographic says.
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