Geological Survey circular.
Geological Survey (U.S.)
Washington, D.C. : The Survey,
1949-1983.
Place varies: Arlington, Va., 
Engineering index annual (1968)
Engineering index bioengineering abstracts
Engineering index energy abstracts
Engineering index monthly (1984)
GeoRef
Chemical abstracts
Selected water resources abstracts
Geology
Circular (Geological Survey (U.S.))
U.S. Geological Survey circular