274
<br />Acknowledgments
<br />MUELLER ET AL.
<br />We thank Paul Aguirre, Mike Schwemm, Rich-
<br />ard Brunotte, and Christine Miller for field assis-
<br />tance. Mike Horn provided statistical analyses.
<br />The report was reviewed by Tom Czapla and Scott
<br />Gurtin. Collections were made under permits is-
<br />sued by U.S. Fish and Wildlife Service (Regions
<br />2 and 6); National Park Service; and the states of
<br />Arizona, California, Nevada, and Utah. Funds and
<br />support were provided by U.S. Geological Survey,
<br />U.S. Fish and Wildlife Service, Bureau of Rec-
<br />lamation, and Arizona State University.
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