. A biological investigation of the Athabaska-Mackenzie region. Zoology. Fig. 2.—Alluvial Bank Being Worn Away by the Current, Lower Slave Fig. 3.—Characteristic Foresting on Island in Lower Slave River, Showing Thkee Zones of 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 Preble, Edward Alexander, 1871-1957. Washington, Govt. print. off.

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Keywords: ., bookcentury1900, bookdecade1900, bookpublishe, booksubjectzoology