NATIONAL RESEARCH COUNCIL 
PROGRAM 
TWENTY-EIGHTH ANNUAL MEETING 
In the Natural History Building of the National Museum, the Departmental Auditorium, 
and the Building of the Department of Commerce, Washington, D. C. 
April 28-30, 1947 
SCHEDULE OF SESSIONS 
Sunday. April 27. 1947 
08h30ni HYDROLOGY--Inspection trip to Safe Harbor, Pennsylvania 
Monday, April 28. 1947 
09*X)0 m SEISMOLOGY—Room 4 OCEANOGRAPHY—Room 2 
HYDROLOGY--Room 6 
14 hoom METEOROLOGY--Room 4 OCEANOGRAPHY—Room 2 
HYDROLOGY--Room 6 
Tuesday,, April 29. 1947 
09h00 m TERRESTRIAL MAGNETISM AND ELEC TRICITY--Room 2 HYDROLOGY--Room 6 
METEOROLOGY (with American Meterological Society)—Room 4 
14hoo m VOLCANOLOGY--Room 4 HYDROLOGY--Room 6 
TERRESTRIAL MAGNETISM AND ELECTRICITY—Room 2 
20h00 m Smoker--Auditorium of the Cosmos Club, Madison Place near H Street, Northwest 
Wednesday. April 30, 1947 
09h00m GEODESY--Room 4 HYDROLOGY--Room 6 
TECTONOPHYSICS--Room 2 
14 h 00 m General Assembly and Business Session of the Union--Room 4 
20^00 m Evening Session of the Union--Elihu Root Hall, Carnegie Institution of Washington, 
1530 P Street, Northwest 
(See last page for key to room numbers) 
OFFICERS OF THE UNION 
L. H. Adams, President 
Jo A. Fleming, General Secretary 
Walter H. Bucher, Vice-President 
Waldo E. Smith, Executive Secretary 
