Triangulation Party, Coast Geodetic Survey, occupying top of the Washington Monument, 4:00 p.m., Monday, November 19, 1934, access to which was obtained by using the scaffolding, constructed to clean this historic structure. The theodolite is placed on a specially constructed stand over the apex or pyramidian, as shown. From left to right: Lt. (j.g.) John Bowie, Jr., Chief of Party; D.E. Bell, Light-Keeper; Sam P. Hand, Observer; W.T. Terrell, Recorder; H. Paul Kaufman, Division of Geodesy; and Clarence C. Weideman, Coast and Geodetic Survey Editor.

Others present but now shown in the picture: Frank I. Weller, Associated Press Feature Editor; George D. Riley, Government Employee Editor of the Washington Herald; and the following photographers; W.E. O'Haire, Associated Press, W.J. Smith, New York Times; Woodrow R. Wilson, Acme Service; and Charles Jerome Raley, Washington Times.