Letter from Thomas Gold to Dr Homer Newell, Office of Space Sciences & Applications, National Aeronautics and Space Administration [NASA], Washington, DC Thanks Dr Newell for his assistance in getting the Surveyor footpad pictures understood. Says that he will try and discover what he can about this and about 'the specks on the Vycor panels'. Says that he will let Dr Newell know when they think that they have understood the matter. Says that he will visit the JPL [Jet Propulsion Laboratory] next week and that there will be a meeting on the general properties of small particles in the lunar environment at Cornell [University] on 3 March. 17 February 1967