. A biological survey of Colorado. Natural history Colorado; Mammals Colorado; Trees Colorado. North American Fauna No. 33, U. S. Dept. Agr. Biological Survey. Plate Fig. 2.—Ascending Tongue of Engelmann Spruce AT Timberlineon Front Range Near Berthoud Pass (Northwest Slope), at 11,600 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 Cary, Merritt, 1880-1918; United States. Bureau of Biological Survey. Washington
. A biological survey of Colorado. Natural history Colorado; Mammals Colorado; Trees Colorado. North American Fauna No. 33, U. S. Dept. Agr. Biological Survey. Plate Fig. 2.—Ascending Tongue of Engelmann Spruce AT Timberlineon Front Range Near Berthoud Pass (Northwest Slope), at 11,600 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 Cary, Merritt, 1880-1918; United States. Bureau of Biological Survey. Washington : Government Printing Office
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Keywords: ., bookauthorunitedstatesbureauofb, bookcentury1900, bookdecade1910
