United States Department of the Interior, Fred A. Seaton, Secretary 

 Fish and Wildlife Service, Amie J. Suomela, Commissioner 



THE ELECTRICAL RESISTIVITY METER 

 IN FISHERY INVESTIGATIONS 



By 



Robert E. Lennon 

 Fishery Research Biologist 

 Appalachian Sport Fishery Investigations 

 Bureau of Sport Fisheries and Wildlife 

 Leetown (P. O. Keameysville), W.Va. 



Special Scientific Report--Fisheries No. 287 



Washington, D. C. 

 January 1959 



