Letter f rom Thomas Gold to Mr John Pomeroy, Assistant Director, Lunar Sample Program, Apollo Lunar Exploration, Code MAL, NASA Headquarters, Washington DC Enclosed proposal by Grossman et al is a good one and this type of work should be done, There are some important points though that the authors are not aware of and that they have pursued, and if this work is start4ed he would recommend tht comntact is made with Gold's team. 10 January 1971