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

Loudoun Co., VA IDA (Loudoun Hospital Center) • AAA Rated-Insured • Price 97.438 • Callable 6/1/05 @ 102 • $5,000 minimum • Limited availability
88.5%