. A biological investigation of the Athabaska-Mackenzie region. Zoology. Fig. 1.—Grand Rapid, Athabaska River, Showing Island and Left or Main Fig. 2.—Left Bank of Athabaska from Island, Grand Rapid, Showing Exposure of Grand Rapid 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