Schallock, Eldor W. <br/><br/>
Low winter dissolved oxigen in some Alaskan rivers / 
by Eldor W.Schallock and Frederick B. Lotspeich 
 - Washington, D.C. :  United States Environmental Protection Agency,  1974 
 - v, 33 p. :  ill. ;  28 cm. 
 - Ecological Research Series .
<br/><br/> EPA-660/3-74-008 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oxygen<br/>Economic Geology
<br/><br/><label>Dewey Class. No.: </label>553.9409798