The 1977 Spring Meeting was held in Washington, D.C, at the Sheraton-Park Hotel from May 30 to June 3. Approximately 1370 papers were presented, an increase of 340 over the 1976 Spring Meeting.
Total registration was 2,334, of whom 1617 were members, 376 were students, and 341 were nonmembers. A concerted membership drive brought in 206 new members during the meeting.
The meeting summary program, including abstracts of papers presented,was published in the June 1977 issue of EOS, pages 360–549. The present report includes program changes and postdeadline and revised abstracts.