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 5 · column 3 of 6 · from the scan, no model involved

ephone number is 667-1511. Medicare is administered by the Social Security Administration of the U.S. Department of Health, Education, and Welfare. □
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