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 13 · column 3 of 4 · from the scan, no model involved
Service, and private entities. Programs which are presently in effect are cross-pollination of resistant trees, hybridization, and radiation of seeds to induce genetic mutations. Many technical problems are involved, and the researchers are working against all probability, but it would be an infinitely valuable service to everyone if the American chestnut were restored to our forests.□
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