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 3 · column 4 of 6 · from the scan, no model involved
tion in this article comes from Platt’s book.
A meadow, full of a multitude of grasses, is different from a field _ also composed of grasses _ in that the water table is higher, neither plant communities support woody plants such as shrubs and trees. An acre of grass in a lush meadow will lift six and a half tons od water per day at the height of the growing season in late June when days are long with many hours of sunlight.
Trees operate on a much grander scale. We live in the Virginia “apple country.” An apple orchard will have about 40 trees to an acre. When healthy and mature, they will have about 100,000 leaves
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