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 4 · column 3 of 4 · from the scan, no model involved
The typical U.S. family of four uses about 350 gallons of water each day. Seventy percent of the earth’s fresh water is frozen in glaciers and polar ice caps. ***• Water contamination has been a worry for many centuries, says National Wildlife magazine. Historians believe that Rome’s last emperors were poisoned by lead liningB in water pipes and wine jugs.
77.7%