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The field work conducted under this program of biological investigations
<br />consisted of the following:
<br />1, A reconnaissance flight over Glen Canyon region on August,
<br />1917 19570 by three biology specialists from the University,.
<br />Angus M, Woodbury, Walter P, Cottam and Stephen D, Durrant,
<br />2Q A preliminary planning boat trip through Glen Canyon from
<br />Hite to Lees Ferry, September 8 to 150 1957, by five biol-
<br />ogists from the University, Angus M, Woodbury, Walter P.
<br />Cottam, Stephen D, Durrant, Seville Flowers and Albert W.
<br />Grundmann and three members of the Bureau of Reclamation.,
<br />Herbert S. Riesbol, Don Barnett and Stanley S. Rasmussen,
<br />Fig, 1,
<br />3Q A boat trip on Lake Mead on September 19, 1957, by two
<br />biologists from the University, Angus M. Woodbury and Walter
<br />P. Cottam to study the effect of-siltage at the mouth of the
<br />Virgin River upon the vegetation,
<br />4. A preliminary field study of the biological resources above
<br />the canyon in the region extending from Wahweap to Kane
<br />Creek by a party of four biologists, Angus M. Woodbury,
<br />Arden L, Gaufin, Lewis T. Nielsen and Albert W, Grundmann,
<br />and four advanced students of the University of Utah,
<br />March 23 to 26, 1958,
<br />5, A preliminary trip to Hite, June 8 to 10, 19580, by two re-
<br />presentatives of the Bureau of Reclamation, a botanist from
<br />Brigham Young University and three staff members and three
<br />'•`,? graduate students from the University of Utah to make plans
<br />for a summer expedition through Glen Canyon (list of names
<br />given in UUAP No, 36),
<br />6, An expedition of 19 men from Hite to Lee°s Ferry, June 30
<br />to August 9, 1958, to survey and map the vegetation, study
<br />the limnology of the river and lower parts of tributaries,
<br />and study the animal life found in the canyon (list of
<br />names given in UUAP No, 36),
<br />The papers presented in this series have been prepared primarily from
<br />the field data collected on these expeditions, but the specialists who
<br />prepared the papers have not hesitated to draw upon their background ex-
<br />perience or upon additional data from other sources when necessary,
<br />
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