Water resources data for Oregon 

 - Portland, Or. :  U.S. Dept. of the Interior, Geological Survey,  1975 
 - v. :  maps ;  26 cm. 
 - Annual 
 - water year 1980 
 - U.S. Geological Survey water-data report .
<br/><br/> Description based on: 1979  Library has pt.1 
<br/><br/>Part 1. Surface water records 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stream measurements--Oregon--Periodicals<br/>Water quality--Oregon--Periodicals
<br/><br/><label>Dewey Class. No.: </label>553.709795