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 11 · column 5 of 9 · from the scan, no model involved

The median income of U. S. households grew from around $10,000 in 1970 to some $16,000 in 1977. After inflation and taxes, actual purchasing power remained about the same.
88.9%