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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inis is pan or a national campaign sponsored by the National Academy of Sciences and the Sierra Club in an effort to alert people to the gravity and extent of the problem. For instance, I was horrified to learn that pH of rain in downtown Washington, D.C. was 4.04.3; the point at which all fish die. Latest findings have revealed that the problem is 5,000 times greater than was previously thought. ^CLIZABETH DECKER PEACOCK ^ Fairfax, Virginia
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