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 2 of 9 · from the scan, no model involved

by the Tuberculosis and Healt! Association of Northern Vir ginia, the National Tubercu losis Association and th< Columbia Scholastic Press Ai sociation. Participating in thii 28th national annual projec are students throughout th< area served by the local TI association. During the pas
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