. Elements of forestry. Forests and forestry. NORTHERN FOREST 291. Fig. 53- —Virgin Forest of White Pine, Minnesota National Forest, Minnesota. First growth of white pine may become 6 feet in diameter and 160 feet high. Such specimens take from 250 to 300 years to attain this Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moon, Frederick Franklin, 1880-1929; Brown, Nelson Courtlandt, 1885-. New York J. Wiley

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectforestsandforestry