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 5 · column 3 of 6 · from the scan, no model involved
and beetles, as well as lunged snails, was also calculated in this fashion, as well as the number of worms, flat worms, leeches and other invertebrates that are more tolerant of a wide variety of stream conditions.
After a few more straightfor
91.5%