The nominees listed below are those of the Union and Section nominating committees and have been approved by the AGU Council. Additional nominations may be made by membership petition. There are no age, nationality, residence, or other analogous restrictions on who may serve as an officer. Petitions should be sent to the General Secretary, American Geophysical Union, 2000 Florida Ave. N.W., Washington, DC 20009. They must be received no later than July 8, 1991.