THE ROOSEVELT WILD-LIFE FOREST EXPERIMENT STATION
نویسندگان
چکیده
منابع مشابه
Maine Agricultural and Forest Experiment Station
ACKNOWLEDGMENTS The authors wish to acknowledge input from Gary Hunt and Jonathan Rubin, who are members of David Lewis's thesis committee. In addition, David Field, Thomas Power, and especially Gary Hunt provided helpful comments on an earlier version of this bulletin. David Lewis is appreciative of financial support for his graduate studies provided by the University of Maine Graduate Assista...
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The largest pine forest on the North American Continent estends from north-central Arizona in a southeasterly direction into southwestern New Mexico, a distance of approsiinately 250 miles The forest occupies an extensive plateau, known as the Colorado Plateau, which has a general elevation of from 6,000 to 8,000 feet above sea level, with numerous peaks the highest of which reaches an altitude...
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ژورنال
عنوان ژورنال: Science
سال: 1919
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.49.1275.533