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 1 · column 5 of 6 · from the scan, no model involved

This structure, built by the U. S. Bureau of Public Roads, will also carry Interstate 495 between Virginia and Maryland. The Wilson bridge will be dedicated December 28, 1961. Highway Dept. Photo.
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