http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ultramafite-associated Cu-Fe-Co-Ni-Zn deposits of the Sykesville District, Maryland Piedmont
International Geological Congress 1989 : Washington, D.C.)
1 online resource (10 pages) : illustrations
leader, Philip A. Candela ; associate leader, Ann G. Wylie.
On cover: 28th International Geological Congress.
Washington, D.C. : American Geophysical Union, ©1989
Field trip guidebook (International Geological Congress (28th : 1989 : Washington, D.C.)) ; T241