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 10 · column 2 of 7 · from the scan, no model involved
As the nation follows through on its commitment to reduce water pollution, more and more waste water treatment plants are being built or upgraded. Rappahannock’s experience parallels that of hundreds upon hundreds of communities across the United States: While new sewage treatment plants reduce the pollutants entering lakes and streams, they also produce piles of sludge left behind after the waste water is cleansed.
And the piles are growing into mountains — by 1990, according to projections, as much as 16 million tons of dry sewage sludge will be produced each year, nearly three times the amount generated in the 1970s.
In a further complication, many
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