. Carnegie Institution of Washington publication. Petran Subalpine Forest. A. Picea-Abies association at Monarch Pass Salida, Colorado. B. Picea-Abies association on Uncompahgre Plateau, Colorado. C. Picca-Pinus aristata at timber-line, King's Cone, Pike's 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington

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Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1920, bookyear1920