United States Departoent of the Interior 

 08 oar L« Chapman, Seoretary 

 Fieh and Ifildlife Service 

 Albert M* Day, Director 



Special Scientific Report - Fisheries 

 Ho. 11 



OBSERVATIONS OF THE EFFECT OF ACID-IRON 

 WA.S1E DISPOSAL AT SFA ON ANIMAL POPULATIONS 



By 



Edgar L* Arnold, Jr« and William F* Royoe 

 Fishery Research Biologists 



CONTENTS 



Preface Page 



Introduction ..•••••••••••••••••••••• 1 



The populations of bottom animals* ••*•••••••••• 1 



Station procedure ••••••••••••••••••• 2 



Discussion* •**•••*•***•**••*•••*• 5 

 Fish In the area • **•••*• • 11 



