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<br /> <br />THE ECOLOGY OF SPORT FISH IN TWO DREDGED <br />BACKWATERS OF THE LOWER COLORADO RIVER <br /> <br />by <br /> <br />Mark Allen Singer <br /> <br />A Thesis SubmItted to the Faculty of the <br /> <br />DEPARTMENT OF BIOLOGICAL SCIENCES <br /> <br />In Partial Fulfillment of the Requirements <br />For the Degree of <br /> <br />MASTER OF SCIENCE <br />WITH A MAJOR IN FISHERY BIOLOGY <br /> <br />In the Graduate College <br /> <br />THE UNIVERSITY OF ARIZONA <br /> <br />1 9 7 3 <br /> <br />o31.!3 <br /> <br />-- <br />f-t :, f:. i'l "{'i) <br />t1k r{I~/;> ? <br />, " ~ <br />