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.
Page 16 · column 4 of 6 · from the scan, no model involved
From Page 10
serving clean water, often contribute significantly to water pollution. Be sure to check your boat motor for dripping oil or gasoline. A leak from a small outboard can pollute a small stream as dangerously as a leak from a supertanker can pollute the ocean. And if your boat has a head, be sure it is equipped with an acceptible anti-pollution device, such as a holding tank.
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