ACKNOWLEDGEMENTS 



The writer is indebted to Dr. Bernard P. Domogalla and 

 Outboard Marine International for use of photographs of equipment 

 developed for large-scale treatments of algae and submersed weeds. 

 Kenneth M. Mackenthun kindly furnished Figures 2 and 9. George 

 C. Hockney, Silver Lake, Wisconsin, furnished the illustrations 

 of the Hockney Underwater Weed Cutter. 



Jack R. Snow, Bureau of Sport Fisheries and Wildlife, Marion, 

 Alabama; Don E. Seaman, U. S. Department of Agriculture, Ft. 

 Lauderdale, Florida; and Howard Zeller, Georgia Game and Fish 

 Commission, Atlanta, read the manuscript and made valuable 

 suggestions. The cooperation of Dr. John Funk and Charles R. 

 Walker of the Missouri Conservation Commission in providing data 

 on Endothal and Simazine is gratefully acknowledged. 



The writer expresses his appreciation to the following of 

 his colleagues in the Regional Office of the Bureau of Sport 

 Fisheries and Wildlife for review of this manuscript: E. W. Ball 

 and Royston Rudolph, Branch of Wildlife Refuges; Dr. C. W. Watson 

 and Charles E. Lane, Branch of Federal Aid; J. R. Fielding and 

 Robert Webb, Branch of Fishery Management Services. Harold R. 

 Williams, Branch of Realty, provided Figure 1. Leonard E. Foote, 

 Field Representative, Wildlife Management Institute, also reviewed 

 the manuscript. The assistance of Mrs. Sara Roberts in typing the 

 manuscript is appreciated. 



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