This was the 10th anniversary of the "Great Basin Mess" but was actually Powell's farewell dinner as director given by his close associates.

Personnel in this photo are: W.J. McGee,J.S. Diller, Marcus Baker, Grove K. Gilbert, H.C. Rizer, Richard U. Goode, J.C. Pilling, H.M. Wilson, S.J. Kubel, H.W.Turner, E.W. Parker, Frank Sutton, David T. Day, D.C. Babb, Robert H. Chapman, Henry Gannett, Wells M. Sawyer, F.H. Newell, William A. Crofut, J. Stanley Brown, Major John Wesley Powell, Robert T. Hill, De Lancy Gill, William H. Holmes, Dr. Charles D. Walcott, and C. Willard Hayes.