. Brigham Young University science bulletin. Biology -- Periodicals. '?««l. Fic. 21. SouthwL'stward aloni; liroail open \allf\ the cil Trail Himi .it approximately 68'' ,\, !) ."iS' W. Rocks in the background are principally of Lisburne Limestone. Streaks are reflections from the helicopter bubble. Tussock tundra. gMMjlli^: •<i«kifl^^^ *«f*J««,t!;i iftfia^^. 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 origin

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. Brigham Young University science bulletin. Biology -- Periodicals. '?««l. Fic. 21. SouthwL'stward aloni; liroail open \allf\ the cil Trail Himi .it approximately 68'' ,\, !) ."iS' W. Rocks in the background are principally of Lisburne Limestone. Streaks are reflections from the helicopter bubble. Tussock tundra. gMMjlli^: •<i«kifl^^^ *«f*J««,t!;i iftfia^^. 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 Brigham Young University. Provo, Utah : Brigham Young University

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