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 19 · column 5 of 7 · from the scan, no model involved

IP^ ^WEi JF Chosen
1 for strength & y1 value by the veterinarians and engineers of Virginia Tech Vet School
48.8%