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 36 · column 1 of 5 · from the scan, no model involved

REAOV-TO-USE CONCRETE MIX
*3.35 Just add water 80# BAG
87.5%