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 3 · column 8 of 12 · from the scan, no model involved
THE GIANT SEQUOIA^ > TREE HAS SURVIVED CENTURIES OF INSECTS AMP] _ FIRE-BUT REHEmSbS--,V VMOST TREES CANNOT ( r
42.8%