On September 21-22, 1972, Officers of the International Association of Hydrological Sciences and its Commissions held an IAHS Bureau Meeting in Washington, D.C. in the conference room of the U.S. Geological Survey's Office of Water Data Coordination. Those in attendance are shown in the photograph above : Front Row, left to right : M. Roche (France) V.P. Commission on Surface Water; R. Wilson (USA) Treasurer; J.A. Rodier (France) President; G. Kovacs (Hungary) Secretary General; C. Nordin (USA) V.P. Commission on Erosion and Sedimentation; Back Row, left to right : D.R. Dawdy (USA) Sec. Commission on Water Resources Relations and Systems; R. Carter (USA) V.P. Commission on Surface Water; A.I. Johnson (USA) President Commission on Subsurface Water; W. Back (USA) V.P. Commission on Water Quality; M. Slivitsky (Canada) Sec. Commission on Surface Water; and L. Heindl (USA) representing AGU.