scholarly journals Scientific and technical, spatial, and bibliographic data bases and systems of the U.S. Geological Survey, 1983; including other Federal agencies

Circular ◽  
1983 ◽  
Author(s):  
2008 ◽  
Author(s):  
J. Michael Norris ◽  
Michael Lewis ◽  
Michael Dorsey ◽  
Robert Kimbrough ◽  
Robert R. Holmes ◽  
...  

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