Letter from Thomas Gold to Professor Gary V Latham, Department of Geophysics, Earth and Planetary Sciences Division, Marine Biomedical Institute, Galveston, Texas Thanks Latham for his letter fo 18 September. Dioes not wish to generate a running correspondence, but feels that some of the points they are discussing are of great improtance and warrant further consideration. Refers to velocity within the first few kilometers; how farside depression could hav escaped infillin in a random accumulation process; different thicknesses of a crust on the back as on the front; the Q value of coarsely fragmented material. 11 October 1973