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 8 · column 5 of 6 · from the scan, no model involved

a small tributary. He said restrictions on discharges are much more severe for smaller bodies of water.
The system could be expanded to handle up to 50,000 gallons per day, , he said, but at that point it would be necessary to aerate the discharge and a full-time operator would be required.
86.7%